def getPertinentDataForModels(allModels):
tickersRequired = []
for mod in allModels:
print(mod.describe())
for ticker in mod.returnAllTickersInvolved():
if ticker not in tickersRequired:
tickersRequired.append(ticker)
pulledData, validTickers = dataAck.downloadTickerData(tickersRequired)
joinedData = dataAck.joinDatasets(
[pulledData[ticker] for ticker in pulledData])
return joinedData
def getPertinentDataForModels(allModels):
tickersRequired = []
tickersTraded = []
for mod in allModels:
print(mod.describe())
if mod.inputSeries.targetTicker not in tickersRequired:
tickersRequired.append(mod.inputSeries.targetTicker)
if mod.inputSeries.series.ticker not in tickersRequired:
tickersRequired.append(mod.inputSeries.series.ticker)
if mod.inputSeries.targetTicker not in tickersTraded:
tickersTraded.append(mod.inputSeries.targetTicker)
pulledData, validTickers = dataAck.downloadTickerData(tickersRequired)
joinedData = dataAck.joinDatasets(
[pulledData[ticker] for ticker in pulledData])
return joinedData
def computeReturnsForUniqueModelsCache(uniqueModels, factorToTrade):
tickersRequired = []
for mod in uniqueModels:
print(mod.describe())
if mod.inputSeries.targetTicker not in tickersRequired:
tickersRequired.append(mod.inputSeries.targetTicker)
if mod.inputSeries.series.ticker not in tickersRequired:
tickersRequired.append(mod.inputSeries.series.ticker)
if factorToTrade not in tickersRequired:
tickersRequired.append(factorToTrade)
pulledData, validTickers = dataAck.downloadTickerData(tickersRequired)
joinedData = dataAck.joinDatasets([pulledData[ticker] for ticker in pulledData])
modelReturns, modelPredictions, modelSlippageReturns, cleanedModels = generateAllReturnsFromCache(uniqueModels)
return cleanedModels, modelReturns, modelPredictions, modelSlippageReturns, modelReturns.join(dataAck.getDailyFactorReturn(factorToTrade, joinedData)).dropna(), joinedData
if tData is None:
dataAck.logModel("Cache", {
"type":"miss",
"ticker":tickerToTrade,
"day":str(portfolio.getToday())
})
tickersToPull = dataAck.getDataSourcesForTicker(tickerToTrade)
print(tickersToPull)
pulledData, validTickers = dataAck.downloadTickerData(tickersToPull)
joinedData = dataAck.joinDatasets([pulledData[ticker] for ticker in pulledData])
dataAck.storeTrainingData(tickerToTrade, (joinedData, validTickers))
else:
joinedData = tData[0]
validTickers = tData[1]
dataAck.logModel("Cache", {
"type":"hit",
"ticker":tickerToTrade,
"day":str(portfolio.getToday())
})
sManager = dataAck.seriesManager(validTickers)
print(sManager.describe())
def getDataForPortfolio(portfolioKey):
models = portfolio.getModelsByKey(portfolio.getPortfolioModels(portfolioKey))
##DOWNLOAD REQUIRED DATA FOR TARGET TICKERS
tickersRequired = []
for mod in models:
print(mod.describe())
if mod.inputSeries.targetTicker not in tickersRequired:
tickersRequired.append(mod.inputSeries.targetTicker)
pulledData, validTickers = dataAck.downloadTickerData(tickersRequired)
joinedData = dataAck.joinDatasets([pulledData[ticker] for ticker in pulledData])
##GENERATE RETURNS FOR PORTFOLIO
portfolioAllocations = portfolio.getPortfolioAllocations(portfolioKey)
predsTable = pd.DataFrame([])
weightsTable = pd.DataFrame([])
tickerAllocationsTable = pd.DataFrame([])
scaledTickerAllocationsTable = pd.DataFrame([])
for allocation in portfolioAllocations:
colsAlgo = []
valsAlgo = []
colsAlgoWeight = []
valsAlgoWeight = []
colsTicker = []
valsTicker = []
colsTickerScaled = []
valsTickerScaled = []
for key in allocation:
if key.startswith("ticker_"):
colsTicker.append(key[len("ticker_"):])
valsTicker.append(allocation[key])
if key.startswith("scaled_ticker_"):
colsTickerScaled.append(key[len("scaled_ticker_"):])
valsTickerScaled.append(allocation[key])
if key.startswith("algo_") and not key.startswith("algo_weight_"):
colsAlgo.append(key[len("algo_"):])
valsAlgo.append(allocation[key])
if key.startswith("algo_weight_"):
colsAlgoWeight.append(key[len("algo_weight_"):])
valsAlgoWeight.append(allocation[key])
predsTable = pd.concat([predsTable, pd.DataFrame([valsAlgo], index = [allocation["predictionDay"]], columns=colsAlgo).tz_localize(None)])
weightsTable = pd.concat([weightsTable, pd.DataFrame([valsAlgoWeight], index = [allocation["predictionDay"]], columns=colsAlgoWeight).tz_localize(None)])
tickerAllocationsTable = pd.concat([tickerAllocationsTable, pd.DataFrame([valsTicker], index = [allocation["predictionDay"]], columns=colsTicker).tz_localize(None)])
scaledTickerAllocationsTable = pd.concat([scaledTickerAllocationsTable, pd.DataFrame([valsTickerScaled], index = [allocation["predictionDay"]], columns=colsTickerScaled).tz_localize(None)])
predsTable = predsTable.sort_index()
weightsTable = weightsTable.sort_index()
tickerAllocationsTable = tickerAllocationsTable.sort_index()
scaledTickerAllocationsTable = scaledTickerAllocationsTable.sort_index()
tickerPerformance = calculatePerformanceForTable(tickerAllocationsTable, tickerAllocationsTable.columns, joinedData)
algoPerformance = pd.DataFrame(tickerPerformance.apply(lambda x:sum(x), axis=1), columns=["Algo Return"])
benchmark = portfolio.getPortfolioByKey(portfolioKey)["benchmark"]
factorReturn = dataAck.getDailyFactorReturn(benchmark, joinedData)
factorReturn.columns = ["Factor Return (" + benchmark + ")"]
algoVsBenchmark = algoPerformance.join(factorReturn).dropna()
##FORM HASH TO TICKER
hashToTicker = {}
for model in models:
hashToTicker[portfolio.getModelHash(model)] = model.inputSeries.targetTicker
individualAlgoPerformance = calculatePerformanceForTable(predsTable,[hashToTicker[modelHash] for modelHash in predsTable.columns], joinedData)
return json.dumps(convertTableToJSON(empyrical.cum_returns(tickerPerformance))),\
json.dumps(convertTableToJSON(empyrical.cum_returns(algoPerformance))),\
json.dumps(convertTableToJSON(empyrical.cum_returns(algoVsBenchmark))),\
json.dumps(convertTableToJSON(empyrical.cum_returns(individualAlgoPerformance))),\
def getFundData():
historicalAllocations, realizedAllocations = getNetAllocationAcrossPortfolios(
)
if historicalAllocations is None:
return None, None
pulledData, unused_ = dataAck.downloadTickerData(
historicalAllocations.columns.values)
allocationJoinedData = dataAck.joinDatasets(
[pulledData[ticker] for ticker in pulledData])
dataToCache = []
for allocationForm in [historicalAllocations, realizedAllocations]:
performanceByTicker, fundPerformance, fundTransactionCost = portfolioGeneration.calculatePerformanceForAllocations(
allocationForm, allocationJoinedData)
if len(fundPerformance) == 0:
dataToCache.append({})
continue
##CALCULATE BETAS FOR ALL TICKERS TO FUND PERFORMANCE
tickerAlphaBetas = []
for ticker in allocationForm.columns.values:
factorReturn = dataAck.getDailyFactorReturn(
ticker, allocationJoinedData)
alpha, beta = empyrical.alpha_beta(fundPerformance, factorReturn)
tickerAlphaBetas.append({
"ticker": ticker,
"alpha": alpha * 100,
"beta": beta
})
tickerCols, tickerRows = portfolioGeneration.convertTableToJSON(
empyrical.cum_returns(performanceByTicker))
tickerAllocationsCols, tickerAllocationsRows = portfolioGeneration.convertTableToJSON(
allocationForm)
fundCols, fundRows = portfolioGeneration.convertTableToJSON(
empyrical.cum_returns(fundPerformance))
sharpe = empyrical.sharpe_ratio(fundPerformance)
annualReturn = empyrical.annual_return(fundPerformance)[0]
annualVol = empyrical.annual_volatility(fundPerformance)
commissionCols, commissionRows = portfolioGeneration.convertTableToJSON(
fundTransactionCost)
dataToCache.append({
"tickerAlphaBetas":
tickerAlphaBetas,
"tickerCols":
json.dumps(tickerCols),
"tickerRows":
json.dumps(tickerRows),
"tickerAllocationsCols":
json.dumps(tickerAllocationsCols),
"tickerAllocationsRows":
json.dumps(tickerAllocationsRows),
"fundCols":
json.dumps(fundCols),
"fundRows":
json.dumps(fundRows),
"sharpe":
sharpe,
"annualReturn":
annualReturn * 100,
"annualVol":
annualVol * 100,
"commissionCols":
json.dumps(commissionCols),
"commissionRows":
json.dumps(commissionRows)
})
historicalData = dataToCache[0]
realizedData = dataToCache[1]
##GET TODAY ALLOCATION
if realizedData != {}:
newRows = []
tARows = json.loads(realizedData["tickerAllocationsRows"])
tACols = json.loads(realizedData["tickerAllocationsCols"])
print(tARows[-1])
for i in range(len(tACols)):
newRows.append([tACols[i],
abs(tARows[-1][i + 1])]) ##i+1 because date
realizedData["todayAllocation"] = json.dumps(newRows)
print(realizedData["todayAllocation"])
return historicalData, realizedData