예제 #1
0
    def __init__(self,
                 sectorMap,
                 modelType=None,
                 cash=1000000,
                 tradeStart=None,
                 compounding=True,
                 positionsFile=None,
                 equityFile=None,
                 returnsFile=None,
                 summaryFile=None,
                 parms=None):

        self._runGroups = {}
        self._startingCash = cash

        self._db = InstrumentDb.Instance()
        self._feed = MultiFeed()
        self._broker = BacktestingFuturesBroker(
            cash, self._feed, commission=FuturesCommission(2.50))
        show = True
        for sec in sectorMap:
            for sym in sectorMap[sec]:
                self._feed.register_feed(Feed(self._db.get(sym)))

            # if desired can instantiate a strategy per symbol - may actually
            # want to think about this as a default behavior.  The only thing
            # impacted is reporting of sector results
            # strategySymbols = { sym }
            # rgkey = '%s-%s' % (sec, sym)
            strategySymbols = sectorMap[sec]
            rgkey = sec
            if not modelType:
                modelType = 'breakout'

            strategy = StrategyFactory.create(modelType,
                                              self._feed,
                                              symbols=strategySymbols,
                                              broker=self._broker,
                                              cash=cash,
                                              compounding=compounding,
                                              parms=parms)

            self._runGroups[rgkey] = InstrumentedStrategy(strategy)
            if show:
                show = False
                strategy.showParms()

        self._trading = False
        self._posfile = self.__openFileorNull(positionsFile)
        self._equityfile = self.__openFileorNull(equityFile)
        self._returnsfile = self.__openFileorNull(returnsFile)
        self._summaryfile = self.__openFileorNull(summaryFile)

        self._dd = DrawDown()
        self._dd.attached(self)
        self._positionAlerts = []
예제 #2
0
    def __init__(self, sectorMap, 
                 modelType=None, cash = 1000000, tradeStart=None, compounding = True,
                 positionsFile=None, equityFile=None, returnsFile=None, summaryFile=None,
                 parms = None
                ):

        self._runGroups = {}
        self._startingCash = cash    

        self._db = InstrumentDb.Instance()
        self._feed = MultiFeed()
        self._broker = BacktestingFuturesBroker(cash, self._feed, commission=FuturesCommission(2.50))
        show = True 
        for sec in sectorMap:
            for sym in sectorMap[sec]:
                self._feed.register_feed(Feed(self._db.get(sym)))
        
            # if desired can instantiate a strategy per symbol - may actually
            # want to think about this as a default behavior.  The only thing
            # impacted is reporting of sector results
            # strategySymbols = { sym }
            # rgkey = '%s-%s' % (sec, sym)           
            strategySymbols = sectorMap[sec]
            rgkey = sec           
            if not modelType:
                modelType = 'breakout'
                                
            strategy = StrategyFactory.create(modelType, 
                                              self._feed, 
                                              symbols=strategySymbols, 
                                              broker=self._broker, 
                                              cash=cash, 
                                              compounding=compounding,
                                              parms = parms)
            
            self._runGroups[rgkey] = InstrumentedStrategy(strategy)
            if show:
                show = False
                strategy.showParms()
                
        self._trading = False
        self._posfile = self.__openFileorNull(positionsFile)
        self._equityfile = self.__openFileorNull(equityFile)
        self._returnsfile = self.__openFileorNull(returnsFile)
        self._summaryfile = self.__openFileorNull(summaryFile)
        
        self._dd = DrawDown()
        self._dd.attached(self)
        self._positionAlerts = []  
예제 #3
0
class Controller(object):
    def __init__(self, sectorMap, 
                 modelType=None, cash = 1000000, tradeStart=None, compounding = True,
                 positionsFile=None, equityFile=None, returnsFile=None, summaryFile=None,
                 parms = None
                ):

        self._runGroups = {}
        self._startingCash = cash    

        self._db = InstrumentDb.Instance()
        self._feed = MultiFeed()
        self._broker = BacktestingFuturesBroker(cash, self._feed, commission=FuturesCommission(2.50))
        show = True 
        for sec in sectorMap:
            for sym in sectorMap[sec]:
                self._feed.register_feed(Feed(self._db.get(sym)))
        
            # if desired can instantiate a strategy per symbol - may actually
            # want to think about this as a default behavior.  The only thing
            # impacted is reporting of sector results
            # strategySymbols = { sym }
            # rgkey = '%s-%s' % (sec, sym)           
            strategySymbols = sectorMap[sec]
            rgkey = sec           
            if not modelType:
                modelType = 'breakout'
                                
            strategy = StrategyFactory.create(modelType, 
                                              self._feed, 
                                              symbols=strategySymbols, 
                                              broker=self._broker, 
                                              cash=cash, 
                                              compounding=compounding,
                                              parms = parms)
            
            self._runGroups[rgkey] = InstrumentedStrategy(strategy)
            if show:
                show = False
                strategy.showParms()
                
        self._trading = False
        self._posfile = self.__openFileorNull(positionsFile)
        self._equityfile = self.__openFileorNull(equityFile)
        self._returnsfile = self.__openFileorNull(returnsFile)
        self._summaryfile = self.__openFileorNull(summaryFile)
        
        self._dd = DrawDown()
        self._dd.attached(self)
        self._positionAlerts = []  
        
    def __openFileorNull(self, file_):
        if file_:
            return open(file_,'w')
        else:
            return open('/dev/null','w')
        
    def getBroker(self):
        return self._broker

    def getEquity(self):
        return self._broker.getCash()
    
    def drawdown(self):
        return self._dd
    
    def net_return(self):
        return self._totalProfit / self._startingCash
    
    def get_net_profit(self):
        return self._totalProfit
    
    def get_trade_profit(self):
        return self._tradeProfit
    
    def get_position_alerts(self):
        return self._positionAlerts
        
    def run(self, feedStart, tradeStart, tradeEnd):
        # sanity check our parms
        assert(feedStart <= tradeStart)
        assert(tradeStart <= tradeEnd)
        
        # set each feed cursor to our feedStart
        for sec in self._runGroups:
            self._runGroups[sec].feed().set_cursor(feedStart)
            
        # emit bars one datetime at a time
        nextDateTime = self._feed.get_next_bars_date() 
        while nextDateTime != None and nextDateTime < tradeEnd:
            if not self._trading:
                if nextDateTime >= tradeStart:
                    self._trading = True
                    self._handle_trade_start(nextDateTime)
                    
            #print 'emitting bars for date %s' % nextDateTime
            lastEmitDate = nextDateTime
            self._feed.start(last=nextDateTime)
            
            nextDateTime = self._feed.get_next_bars_date()
            if self._trading and nextDateTime != None:
                self._print_sector_equity(lastEmitDate)
                self._dd.beforeOnBars(self)
            
        self._handle_trade_end(lastEmitDate)
        
    def dumpFeed(self, symbol):
        feed = self._feed.get_feed(symbol)
        of = open('%s.csv' % symbol,'w')
        feed.write_csv(of)
        of.close()
        
    def writeAllTrades(self, filename):
        # get one list with all trades
        alltrades = []
        for sec in self._runGroups:
            alltrades.extend(self._runGroups[sec].trades_analyzer().trade_records())
        
        # now we want to sort this by trade entry
        alltrades = sorted(alltrades, key=lambda x: x.getEntryDate())
        
        # want to sum total trade profit for verification purposes
        self._tradeProfit = 0.0
                
        file_ = open(filename,'w')
        
        wins = 0
        winamt = 0.0
        winmargin = 0.0
        losemargin = 0.0
        # write the header row
        file_.write('description,symbol,units,entryDate,entryPrice,exitDate,exitPrice,commissions,profitLoss\n')
        for t in alltrades:
            self._tradeProfit += t.getNetProfit(0)
            profit = t.getNetProfit(0)
            file_.write('%s,%s,%d,%s,%f,%s,%f,%0.2f,%0.2f\n' % 
                        (self._db.get(t.getSymbol()).description(),
                         t.getSymbol(),
                         t.getTradeSize(),
                         t.getEntryDate(),
                         t.getEntryPrice(),
                         t.getExitDate(),
                         t.getExitPrice(),
                         t.getCommissions(),
                         profit))
            if profit > 0.0:
                wins += 1
                winamt += profit
                winmargin += t.getInitialMargin()
            else:
                losemargin += t.getInitialMargin()
        file_.close()         
        
        logger.info('Total Trades    : %d' % len(alltrades))   
        logger.info('Total Net Profit: $%0.2f' % self._tradeProfit)   
        tot_avg = (self._tradeProfit / len(alltrades)) if len(alltrades) else 0.0
        logger.info('Total Avg Profit: $%0.2f' % tot_avg)   
        winrate = wins * 100.0 / len(alltrades) if len(alltrades) else 0.0
        logger.info('Winning Trades  : %d (%0.1f%%)' % (wins, winrate))
        winavg = winamt/ wins if wins else 0.0
        winmarg = (winamt * 100.0/winmargin) if winmargin else 0.0
        logger.info('Average Winner  : $%0.2f (%0.1f%%)' % (winavg, winmarg))   
        numloss = len(alltrades) - wins
        loserate = numloss * 100.0/len(alltrades) if len(alltrades) else 0.0
        logger.info('Losing   Trades : %d (%0.1f%%)' % (numloss,loserate)) 
        loseavg = (self._tradeProfit - winamt) / numloss if numloss else 0.0
        losemarg = (self._tradeProfit - winamt) *100.0/losemargin if losemargin else 0.0
        logger.info('Average Loser   : $%0.2f (%0.1f%%)' % (loseavg,losemarg))   
        
    def writeTSSBTrades(self, filebase):
        # get one list with all trades
        alltrades = []
        for sec in self._runGroups:
            alltrades.extend(self._runGroups[sec].trades_analyzer().trade_records())
        
        # now we want to sort this by trade entry
        alltrades = sorted(alltrades, key=lambda x: x.getEntryDate())
        
        # want to sum total trade profit for verification purposes        
        sf = open('%s_short.csv' % filebase,'w')
        lf = open('%s_long.csv' % filebase,'w')
        
        # write the header rows
        sf.write('Date,Market,Contracts,Points,SCALEDPROFIT,REALPROFIT\n')
        lf.write('Date,Market,Contracts,Points,SCALEDPROFIT,REALPROFIT\n')
        
        # write out all the trades that actually occurred
        for t in alltrades:
            fp = sf if t.getTradeSize() < 0 else lf

            fp.write('%s,%s,%d,%0.3f,%0.5f,%0.5f\n' % 
                        (t.getEntryDate().strftime("%Y%m%d"),
                         t.getSymbol(),
                         t.getTradeSize(),
                         t.getExitPrice() - t.getEntryPrice(),
                         t.getNetProfit(0) / t.getInitialMargin(),
                         t.getNetProfit(0) / self._startingCash * 100.0))
                        
        sf.close()
        lf.close()         

    def writePositionAlerts(self, filename):            
        wf = open(filename,"w")
        wf.write('EntryDate,Symbol,Quantity,Action,ImpliedRisk,StopPrice\n')

        alerts = sorted(self._positionAlerts, key=lambda x: x.datetime)

        for alert in alerts:
            wf.write('%s\n' % alert)
        wf.close()
        
        
    def _handle_trade_start(self, datetime):
        self._broker.setCash(self._startingCash)
        for sec in self._runGroups:
            self._reset_broker(self._runGroups[sec])
        self._print_sector_positions(datetime)
        
    def _handle_trade_end(self, datetime):
        # by this point we have consumed the entire feed so we need to make
        # sure that any existing exit orders are closed.  In a corner case
        # what can happen is a new trade that will be filled on close in the
        # executeSessionClose below.  This trade could then hit a stop-loss
        # from an earlier price in the day
        for sec in self._runGroups:
            self._runGroups[sec].strategy().cancelExitOrders()

        # first we need new positions to be taken if executed after
        # market close on last bar
        self.getBroker().executeSessionClose()    
        
        # want to report our positions before exiting them
        self._print_sector_positions(datetime)

        # now we want to grab position information      
        self._positionAlerts = []  
        for sec in self._runGroups:
            for pos in self._runGroups[sec].strategy().getPositions().itervalues():
                # create a 7-tuple: (date, symbol, desc, quantity, action, risk, stop)
                entry = pos.getEntryOrder()
                self._positionAlerts.append( Alert( entry.getExecutionInfo().getDateTime(),
                                               entry.getInstrument(),
                                               self._db.get(entry.getInstrument()).description(),
                                               entry.getQuantity(),
                                               Order.Action.action_strs[entry.getAction()],
                                               pos.getImpliedRisk(),
                                               self._runGroups[sec].strategy().getCurrentExit(pos) ) )
                        
        # exit all positions - this needs to happen before we report final equity and returns
        for sec in self._runGroups:
            self._runGroups[sec].strategy().exitPositions()
            
        # we must call executeSessionClose once after the call to exitPositions for 
        # each of our rungroup strategy instances.  They executes the market orders
        # to close open positions
        self.getBroker().executeSessionClose()    

        self._dd.beforeOnBars(self)
        self._print_sector_equity(datetime)
        self._print_returns_summary(datetime, final=True)
        self._print_sector_returns()
        self._posfile.close()
        self._equityfile.close()
        self._returnsfile.close()
        self._summaryfile.close()
     
    def _reset_broker(self, istrat):
        '''Resets the equity in the broker to our starting cash position.'''
        # this is kind of a kludge but it's nice to be able to sum the trade profits
        # and match the equity amounts (from startingCash).  We need to adjust the 
        # starting cash down by the commission required to enter into our initial positions
        # since they are counted against us in the trade
        entry_commission = istrat.trades_analyzer().reset(istrat.strategy().getBroker().get_last_mark_to_market())
        self._broker.setCash(self._broker.getCash() - entry_commission)
        
    def _print_sector_returns(self):
        try:
            self._returnheader
        except:
            # means we need to print headers
            self._returnheader = True
            str_ = 'Name,Long %,Short %,Total %'
            self._returnsfile.write('%s\n' % str_)

        total_long_profit = 0.0
        total_profit = 0.0
        str_ = ''
        for sec in sorted(self._runGroups):
            profit = 0.0
            long_profit = 0.0
            for trade in self._runGroups[sec].trades_analyzer().trade_records():
                profit += trade.getNetProfit(0)
                if trade.getTradeSize() > 0:
                    long_profit += trade.getNetProfit(0)
            short_profit = profit - long_profit
            str_ = '%s,%0.1f,%0.1f,%0.1f' % \
                    (sec,
                     long_profit / self._startingCash * 100.0, 
                     short_profit / self._startingCash * 100.0,
                     profit / self._startingCash * 100.0)
            total_long_profit += long_profit
            total_profit += profit
            self._returnsfile.write('%s\n' % str_)
        total_short_profit = total_profit - total_long_profit
        str_ = 'total,%0.1f,%0.1f,%0.1f' % \
                (total_long_profit / self._startingCash * 100.0, 
                 total_short_profit / self._startingCash * 100.0,
                 total_profit / self._startingCash * 100.0)
        self._returnsfile.write('%s\n' % str_)
        self._totalProfit = total_profit

    def _print_returns_summary(self, datetime, final=False): 
        try:
            self._summaryHeader
        except:
            # means we need to print headers
            self._summaryHeader = True
            self._sumCurMonth = None
            self._sumCurYear = None
            str_ = 'Year,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Full Year'
            self._summaryfile.write('%s\n' % str_)

        if self._sumCurYear != datetime.year or final:
            if self._sumCurYear or final:
                # this means the year just rolled on us and we have to output a new row
                self._sumMonthData[self._sumCurMonth-1] = (self.getEquity() - self._sumMonthStart) / self._sumMonthStart * 100.0
                str_ = '%s,' % self._sumCurYear
                for r in self._sumMonthData:
                    str_ = str_ + '%0.1f,' % r
                str_ = str_ + '%0.1f' % (((self.getEquity() - self._sumYearStart) / self._sumYearStart) * 100.0)
                self._summaryfile.write('%s\n' % str_)                
            
            # now reset and get ready for this year
            self._sumCurYear = datetime.year
            self._sumCurMonth = datetime.month
            self._sumMonthData = numpy.zeros(12)
            self._sumYearStart = self.getEquity()
            self._sumMonthStart = self.getEquity()
        elif self._sumCurMonth != datetime.month:
            # the month rolled on us so put a new entry in
            self._sumMonthData[self._sumCurMonth-1] = (((self.getEquity() - self._sumMonthStart) / self._sumMonthStart)*100.0) 
            self._sumMonthStart = self.getEquity()
            self._sumCurMonth = datetime.month
        else:
            # nothing to do - just a mid-month data point
            pass
            
    def _print_sector_equity(self, datetime):
        self._print_returns_summary(datetime) 
        try:
            self._equityheader
        except:
            # means we need to print headers
            self._equityheader = True
            str_ = 'Datetime,'
            for sec in sorted(self._runGroups):
                str_ = str_ + '%s-Equity,%s-Margin,' % (sec,sec)
            str_ = str_ + 'Total-Equity,Total-Margin'
            self._equityfile.write('%s\n' % str_)

        # going to build a row of text for output to the equity report
        str_ = '%s,' % datetime
        total_equity = 0.0
        total_margin = 0.0
        for sec in sorted(self._runGroups):
            equity = self._runGroups[sec].getEquity()
            margin = self._runGroups[sec].calc_margin()
            str_ = str_ + '%0.2f,%0.2f,' % (equity,margin)
            total_equity += equity
            total_margin += margin
        str_ = str_ + '%0.2f,%0.2f' % (self.getEquity()-self._startingCash,total_margin)
        self._equityfile.write('%s\n' % str_)
          
    def _print_sector_positions(self, datetime):
        try:
            self._posheader
        except:
            # means we need to print headers
            self._posheader = True
            str_ = 'Datetime,'
            for sec in sorted(self._runGroups):
                str_ = str_ + '%s-Long,%s-Short,' % (sec,sec)
            str_ = str_ + 'Total-Long,Total-Short'
            self._posfile.write('%s\n' % str_)

        # going to build a row of text for output to the positions report
        str_ = '%s,' % datetime
        total_longs = 0
        total_shorts = 0
        for sec in sorted(self._runGroups):
            longs = 0
            shorts = 0
            sec_positions = self._runGroups[sec].strategy().getPositions() 
            for sym in sec_positions:
                if sec_positions[sym].isLong():
                    longs = longs + 1
                else:
                    shorts = shorts + 1
            str_ = str_ + '%s,%s,' % (longs, shorts)
            total_longs += longs
            total_shorts += shorts
        # now the totals
        str_ = str_ + '%s,%s' % (total_longs, total_shorts)
        self._posfile.write('%s\n' % str_)
예제 #4
0
class Controller(object):
    def __init__(self,
                 sectorMap,
                 modelType=None,
                 cash=1000000,
                 tradeStart=None,
                 compounding=True,
                 positionsFile=None,
                 equityFile=None,
                 returnsFile=None,
                 summaryFile=None,
                 parms=None):

        self._runGroups = {}
        self._startingCash = cash

        self._db = InstrumentDb.Instance()
        self._feed = MultiFeed()
        self._broker = BacktestingFuturesBroker(
            cash, self._feed, commission=FuturesCommission(2.50))
        show = True
        for sec in sectorMap:
            for sym in sectorMap[sec]:
                self._feed.register_feed(Feed(self._db.get(sym)))

            # if desired can instantiate a strategy per symbol - may actually
            # want to think about this as a default behavior.  The only thing
            # impacted is reporting of sector results
            # strategySymbols = { sym }
            # rgkey = '%s-%s' % (sec, sym)
            strategySymbols = sectorMap[sec]
            rgkey = sec
            if not modelType:
                modelType = 'breakout'

            strategy = StrategyFactory.create(modelType,
                                              self._feed,
                                              symbols=strategySymbols,
                                              broker=self._broker,
                                              cash=cash,
                                              compounding=compounding,
                                              parms=parms)

            self._runGroups[rgkey] = InstrumentedStrategy(strategy)
            if show:
                show = False
                strategy.showParms()

        self._trading = False
        self._posfile = self.__openFileorNull(positionsFile)
        self._equityfile = self.__openFileorNull(equityFile)
        self._returnsfile = self.__openFileorNull(returnsFile)
        self._summaryfile = self.__openFileorNull(summaryFile)

        self._dd = DrawDown()
        self._dd.attached(self)
        self._positionAlerts = []

    def __openFileorNull(self, file_):
        if file_:
            return open(file_, 'w')
        else:
            return open('/dev/null', 'w')

    def getBroker(self):
        return self._broker

    def getEquity(self):
        return self._broker.getCash()

    def drawdown(self):
        return self._dd

    def net_return(self):
        return self._totalProfit / self._startingCash

    def get_net_profit(self):
        return self._totalProfit

    def get_trade_profit(self):
        return self._tradeProfit

    def get_position_alerts(self):
        return self._positionAlerts

    def run(self, feedStart, tradeStart, tradeEnd):
        # sanity check our parms
        assert (feedStart <= tradeStart)
        assert (tradeStart <= tradeEnd)

        # set each feed cursor to our feedStart
        for sec in self._runGroups:
            self._runGroups[sec].feed().set_cursor(feedStart)

        # emit bars one datetime at a time
        nextDateTime = self._feed.get_next_bars_date()
        while nextDateTime != None and nextDateTime < tradeEnd:
            if not self._trading:
                if nextDateTime >= tradeStart:
                    self._trading = True
                    self._handle_trade_start(nextDateTime)

            #print 'emitting bars for date %s' % nextDateTime
            lastEmitDate = nextDateTime
            self._feed.start(last=nextDateTime)

            nextDateTime = self._feed.get_next_bars_date()
            if self._trading and nextDateTime != None:
                self._print_sector_equity(lastEmitDate)
                self._dd.beforeOnBars(self)

        self._handle_trade_end(lastEmitDate)

    def dumpFeed(self, symbol):
        feed = self._feed.get_feed(symbol)
        of = open('%s.csv' % symbol, 'w')
        feed.write_csv(of)
        of.close()

    def writeAllTrades(self, filename):
        # get one list with all trades
        alltrades = []
        for sec in self._runGroups:
            alltrades.extend(
                self._runGroups[sec].trades_analyzer().trade_records())

        # now we want to sort this by trade entry
        alltrades = sorted(alltrades, key=lambda x: x.getEntryDate())

        # want to sum total trade profit for verification purposes
        self._tradeProfit = 0.0

        file_ = open(filename, 'w')

        wins = 0
        winamt = 0.0
        winmargin = 0.0
        losemargin = 0.0
        # write the header row
        file_.write(
            'description,symbol,units,entryDate,entryPrice,exitDate,exitPrice,commissions,profitLoss\n'
        )
        for t in alltrades:
            self._tradeProfit += t.getNetProfit(0)
            profit = t.getNetProfit(0)
            file_.write('%s,%s,%d,%s,%f,%s,%f,%0.2f,%0.2f\n' %
                        (self._db.get(t.getSymbol()).description(),
                         t.getSymbol(), t.getTradeSize(), t.getEntryDate(),
                         t.getEntryPrice(), t.getExitDate(), t.getExitPrice(),
                         t.getCommissions(), profit))
            if profit > 0.0:
                wins += 1
                winamt += profit
                winmargin += t.getInitialMargin()
            else:
                losemargin += t.getInitialMargin()
        file_.close()

        logger.info('Total Trades    : %d' % len(alltrades))
        logger.info('Total Net Profit: $%0.2f' % self._tradeProfit)
        tot_avg = (self._tradeProfit /
                   len(alltrades)) if len(alltrades) else 0.0
        logger.info('Total Avg Profit: $%0.2f' % tot_avg)
        winrate = wins * 100.0 / len(alltrades) if len(alltrades) else 0.0
        logger.info('Winning Trades  : %d (%0.1f%%)' % (wins, winrate))
        winavg = winamt / wins if wins else 0.0
        winmarg = (winamt * 100.0 / winmargin) if winmargin else 0.0
        logger.info('Average Winner  : $%0.2f (%0.1f%%)' % (winavg, winmarg))
        numloss = len(alltrades) - wins
        loserate = numloss * 100.0 / len(alltrades) if len(alltrades) else 0.0
        logger.info('Losing   Trades : %d (%0.1f%%)' % (numloss, loserate))
        loseavg = (self._tradeProfit - winamt) / numloss if numloss else 0.0
        losemarg = (self._tradeProfit -
                    winamt) * 100.0 / losemargin if losemargin else 0.0
        logger.info('Average Loser   : $%0.2f (%0.1f%%)' % (loseavg, losemarg))

    def writeTSSBTrades(self, filebase):
        # get one list with all trades
        alltrades = []
        for sec in self._runGroups:
            alltrades.extend(
                self._runGroups[sec].trades_analyzer().trade_records())

        # now we want to sort this by trade entry
        alltrades = sorted(alltrades, key=lambda x: x.getEntryDate())

        # want to sum total trade profit for verification purposes
        sf = open('%s_short.csv' % filebase, 'w')
        lf = open('%s_long.csv' % filebase, 'w')

        # write the header rows
        sf.write('Date,Market,Contracts,Points,SCALEDPROFIT,REALPROFIT\n')
        lf.write('Date,Market,Contracts,Points,SCALEDPROFIT,REALPROFIT\n')

        # write out all the trades that actually occurred
        for t in alltrades:
            fp = sf if t.getTradeSize() < 0 else lf

            fp.write('%s,%s,%d,%0.3f,%0.5f,%0.5f\n' %
                     (t.getEntryDate().strftime("%Y%m%d"), t.getSymbol(),
                      t.getTradeSize(), t.getExitPrice() - t.getEntryPrice(),
                      t.getNetProfit(0) / t.getInitialMargin(),
                      t.getNetProfit(0) / self._startingCash * 100.0))

        sf.close()
        lf.close()

    def writePositionAlerts(self, filename):
        wf = open(filename, "w")
        wf.write('EntryDate,Symbol,Quantity,Action,ImpliedRisk,StopPrice\n')

        alerts = sorted(self._positionAlerts, key=lambda x: x.datetime)

        for alert in alerts:
            wf.write('%s\n' % alert)
        wf.close()

    def _handle_trade_start(self, datetime):
        self._broker.setCash(self._startingCash)
        for sec in self._runGroups:
            self._reset_broker(self._runGroups[sec])
        self._print_sector_positions(datetime)

    def _handle_trade_end(self, datetime):
        # by this point we have consumed the entire feed so we need to make
        # sure that any existing exit orders are closed.  In a corner case
        # what can happen is a new trade that will be filled on close in the
        # executeSessionClose below.  This trade could then hit a stop-loss
        # from an earlier price in the day
        for sec in self._runGroups:
            self._runGroups[sec].strategy().cancelExitOrders()

        # first we need new positions to be taken if executed after
        # market close on last bar
        self.getBroker().executeSessionClose()

        # want to report our positions before exiting them
        self._print_sector_positions(datetime)

        # now we want to grab position information
        self._positionAlerts = []
        for sec in self._runGroups:
            for pos in self._runGroups[sec].strategy().getPositions(
            ).itervalues():
                # create a 7-tuple: (date, symbol, desc, quantity, action, risk, stop)
                entry = pos.getEntryOrder()
                self._positionAlerts.append(
                    Alert(entry.getExecutionInfo().getDateTime(),
                          entry.getInstrument(),
                          self._db.get(entry.getInstrument()).description(),
                          entry.getQuantity(),
                          Order.Action.action_strs[entry.getAction()],
                          pos.getImpliedRisk(),
                          self._runGroups[sec].strategy().getCurrentExit(pos)))

        # exit all positions - this needs to happen before we report final equity and returns
        for sec in self._runGroups:
            self._runGroups[sec].strategy().exitPositions()

        # we must call executeSessionClose once after the call to exitPositions for
        # each of our rungroup strategy instances.  They executes the market orders
        # to close open positions
        self.getBroker().executeSessionClose()

        self._dd.beforeOnBars(self)
        self._print_sector_equity(datetime)
        self._print_returns_summary(datetime, final=True)
        self._print_sector_returns()
        self._posfile.close()
        self._equityfile.close()
        self._returnsfile.close()
        self._summaryfile.close()

    def _reset_broker(self, istrat):
        '''Resets the equity in the broker to our starting cash position.'''
        # this is kind of a kludge but it's nice to be able to sum the trade profits
        # and match the equity amounts (from startingCash).  We need to adjust the
        # starting cash down by the commission required to enter into our initial positions
        # since they are counted against us in the trade
        entry_commission = istrat.trades_analyzer().reset(
            istrat.strategy().getBroker().get_last_mark_to_market())
        self._broker.setCash(self._broker.getCash() - entry_commission)

    def _print_sector_returns(self):
        try:
            self._returnheader
        except:
            # means we need to print headers
            self._returnheader = True
            str_ = 'Name,Long %,Short %,Total %'
            self._returnsfile.write('%s\n' % str_)

        total_long_profit = 0.0
        total_profit = 0.0
        str_ = ''
        for sec in sorted(self._runGroups):
            profit = 0.0
            long_profit = 0.0
            for trade in self._runGroups[sec].trades_analyzer().trade_records(
            ):
                profit += trade.getNetProfit(0)
                if trade.getTradeSize() > 0:
                    long_profit += trade.getNetProfit(0)
            short_profit = profit - long_profit
            str_ = '%s,%0.1f,%0.1f,%0.1f' % \
                    (sec,
                     long_profit / self._startingCash * 100.0,
                     short_profit / self._startingCash * 100.0,
                     profit / self._startingCash * 100.0)
            total_long_profit += long_profit
            total_profit += profit
            self._returnsfile.write('%s\n' % str_)
        total_short_profit = total_profit - total_long_profit
        str_ = 'total,%0.1f,%0.1f,%0.1f' % \
                (total_long_profit / self._startingCash * 100.0,
                 total_short_profit / self._startingCash * 100.0,
                 total_profit / self._startingCash * 100.0)
        self._returnsfile.write('%s\n' % str_)
        self._totalProfit = total_profit

    def _print_returns_summary(self, datetime, final=False):
        try:
            self._summaryHeader
        except:
            # means we need to print headers
            self._summaryHeader = True
            self._sumCurMonth = None
            self._sumCurYear = None
            str_ = 'Year,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Full Year'
            self._summaryfile.write('%s\n' % str_)

        if self._sumCurYear != datetime.year or final:
            if self._sumCurYear or final:
                # this means the year just rolled on us and we have to output a new row
                self._sumMonthData[self._sumCurMonth -
                                   1] = (self.getEquity() - self._sumMonthStart
                                         ) / self._sumMonthStart * 100.0
                str_ = '%s,' % self._sumCurYear
                for r in self._sumMonthData:
                    str_ = str_ + '%0.1f,' % r
                str_ = str_ + '%0.1f' % (
                    ((self.getEquity() - self._sumYearStart) /
                     self._sumYearStart) * 100.0)
                self._summaryfile.write('%s\n' % str_)

            # now reset and get ready for this year
            self._sumCurYear = datetime.year
            self._sumCurMonth = datetime.month
            self._sumMonthData = numpy.zeros(12)
            self._sumYearStart = self.getEquity()
            self._sumMonthStart = self.getEquity()
        elif self._sumCurMonth != datetime.month:
            # the month rolled on us so put a new entry in
            self._sumMonthData[self._sumCurMonth - 1] = ((
                (self.getEquity() - self._sumMonthStart) / self._sumMonthStart)
                                                         * 100.0)
            self._sumMonthStart = self.getEquity()
            self._sumCurMonth = datetime.month
        else:
            # nothing to do - just a mid-month data point
            pass

    def _print_sector_equity(self, datetime):
        self._print_returns_summary(datetime)
        try:
            self._equityheader
        except:
            # means we need to print headers
            self._equityheader = True
            str_ = 'Datetime,'
            for sec in sorted(self._runGroups):
                str_ = str_ + '%s-Equity,%s-Margin,' % (sec, sec)
            str_ = str_ + 'Total-Equity,Total-Margin'
            self._equityfile.write('%s\n' % str_)

        # going to build a row of text for output to the equity report
        str_ = '%s,' % datetime
        total_equity = 0.0
        total_margin = 0.0
        for sec in sorted(self._runGroups):
            equity = self._runGroups[sec].getEquity()
            margin = self._runGroups[sec].calc_margin()
            str_ = str_ + '%0.2f,%0.2f,' % (equity, margin)
            total_equity += equity
            total_margin += margin
        str_ = str_ + '%0.2f,%0.2f' % (self.getEquity() - self._startingCash,
                                       total_margin)
        self._equityfile.write('%s\n' % str_)

    def _print_sector_positions(self, datetime):
        try:
            self._posheader
        except:
            # means we need to print headers
            self._posheader = True
            str_ = 'Datetime,'
            for sec in sorted(self._runGroups):
                str_ = str_ + '%s-Long,%s-Short,' % (sec, sec)
            str_ = str_ + 'Total-Long,Total-Short'
            self._posfile.write('%s\n' % str_)

        # going to build a row of text for output to the positions report
        str_ = '%s,' % datetime
        total_longs = 0
        total_shorts = 0
        for sec in sorted(self._runGroups):
            longs = 0
            shorts = 0
            sec_positions = self._runGroups[sec].strategy().getPositions()
            for sym in sec_positions:
                if sec_positions[sym].isLong():
                    longs = longs + 1
                else:
                    shorts = shorts + 1
            str_ = str_ + '%s,%s,' % (longs, shorts)
            total_longs += longs
            total_shorts += shorts
        # now the totals
        str_ = str_ + '%s,%s' % (total_longs, total_shorts)
        self._posfile.write('%s\n' % str_)