def set_initial_holdings(self, user_holdings):
"""
Initialize each bot with the same base endowment + additional endowment in U[0, 5].
All bots have the same cash holding.
:param user_holdings:
:return:
"""
try:
markets = []
for item in self.market_items:
markets.append(Market.get_by_item(item))
for email, holdings in user_holdings.items():
for market in markets:
if email not in self.endow:
holdings.assets[market].units_initial = 0
else:
holdings.assets[market].units_initial = int(
self.endow[email][market.item][0])
holdings.cash_initial = self.base_cash
except Exception as e:
self.error(e)
try:
self.update_holdings(user_holdings,
self.initial_holdings_updated_callback)
except Exception as e:
self.error(e)
def set_initial_holdings(self, user_holdings):
"""
Initialize each bot with the same base endowment + additional endowment in U[0, 5].
All bots have the same cash holding.
:param user_holdings:
:return:
"""
self.inform(
"I have received old holdings. I will now calculate the initial holdings."
)
markets = []
for item in self.market_items:
markets.append(Market.get_by_item(item))
# Calculate the base endowment for the next round
round_endow = random.randint(0, self.upper_endow)
self.inform("Base endowment for round 1 is: {}".format(round_endow))
for email, holdings in user_holdings.items():
for market in markets:
holdings.assets[
market].units_initial = round_endow + random.randint(
0, self.upper_endow)
holdings.cash_initial = self.base_cash
try:
self.update_holdings(user_holdings,
self.initial_holdings_updated_callback)
except Exception as e:
self.error(e)
def _send_valid_mm_orders(self):
"""
Executes list of valid market maker orders
:return: List[Order] of valid orders
"""
for key in self._mm_orders:
order = Order.create_new()
order.market = Market(self._market_ids[key[0]])
price_tick = order.market.price_tick
price = self._mm_orders[key] - \
(self._mm_orders[key] % price_tick)
if price <= order.market.min_price:
price = order.market.min_price
elif price >= order.market.max_price:
price = order.market.max_price
order.price = price
order.order_side = key[-1]
order.order_type = OrderType.LIMIT
order.units = 1
if order.market.min_price <= order.price <= order.market.max_price:
self._order_id += 1
self._num_orders_sent += 1
self._num_active_mm_orders += 1
self.send_order(order)
return
def _create_new_order(self,
price: int,
units: int,
order_side: OrderSide,
order_type: OrderType,
ref: str,
is_private: bool):
"""
:param price: determined price
:param units: # of units to be submitted, fixed to 1
:param order_side: buy or sell
:param order_type: limit or market, fixed to limit
:param ref: customer string of format "Order: {self._sent_order_count} - SM"
:return:
"""
new_order = Order.create_new()
if is_private:
market = self._private_market_id
new_order.owner_or_target = "M000"
else:
market = self._public_market_id
new_order.market = Market(market)
new_order.price = price
new_order.units = units
new_order.order_side = order_side
new_order.order_type = order_type
new_order.ref = ref
self.send_order(new_order)
self._waiting_for_server = True
def set_initial_holdings(self, user_holdings):
"""
Initialize each bot with the same base endowment + additional endowment in U[0, 5].
All bots have the same cash holding.
:param user_holdings:
:return:
"""
self.inform("Starting run " + str(self.label) + " of simulations.")
try:
market = Market.get_by_item(MARKET_1)
for email, holdings in user_holdings.items():
print(email)
if email not in self.endow:
holdings.assets[market].units_initial = 0
else:
holdings.assets[market].units_initial = int(
self.endow[email][0])
holdings.cash_initial = self.base_cash
except Exception as e:
self.inform(e)
try:
self.update_holdings(user_holdings,
self.initial_holdings_updated_callback)
except Exception as e:
self.inform(e)
def received_holdings(self, holdings):
"""
Updates to necessary information whenever a trade is executed
"""
# Informs of initial details
if self._find_time_elapsed() < 1/30:
# Trader ID
self.inform(holdings.name)
# Initial allocation of holdings
self.inform('---')
self.inform(f'Total cash: {holdings.cash}, Available cash: {holdings.cash_available}')
for market, assets in (sorted(holdings.assets.items(), key = lambda x: x[0].item)):
self.inform(f'{market.name} - Total units: {assets.units}, Available units: {assets.units_available}')
#Update fair prices whenever holdings change
for market_id, market_info in sorted(self.markets.items()):
security = market_info.item
self._fair_buy_prices[security] = self._find_fair_price(market_id, holdings, OrderSide.BUY)
self._fair_sell_prices[security] = self._find_fair_price(market_id, holdings, OrderSide.SELL)
# Trade notes for cash if cash is below $10.00 and there are
# sufficient notes. Taking a small decrease in performance.
# Assumes the note market is the one with the highest market id
note_id = sorted(self._market_ids.values())[-1]
if holdings.cash < 1000 and holdings.assets[Market(note_id)].units \
> 2 and self._order_count == 0:
order = self._make_order(note_id, OrderSide.SELL, 495, units = 2)
if self._check_holdings(order, holdings, True):
self.send_order(order)
self._order_count += 2
def received_orders(self, orders: List[Order]):
orders_avail = orders
for o in orders_avail:
# inform method just logs the messages
self.inform(o)
if o.mine:
self.inform(o.owner, o.owner_or_target)
# cancelling an order, make sure to check all orders sent are accepted
# if o.mine:
# cancel_order = copy.copy(o)
# cancel_order.order_type = OrderType.CANCEL
# self.send_order(cancel_order)
# order has attribute mine (bool) to know if our order or not
# order.all() fetches all previous orders, and we don't need to physically track all changes,
# we can query this order.all() data to find the status of the order
# all_orders = Order.all()
if not self._order_sent:
order = Order.create_new()
order.market = Market(1573)
order.order_side = OrderSide.BUY
order.order_type = OrderType.LIMIT
order.price = 100
order.ref = "rip"
order.units = 1
# we will know this owner/target from the private orders we receive
# Manager is always M000
order.owner_or_target = "T002" # sending private orders, the market code should be changed to 1573
self.send_order(order)
self._order_sent = True
def order_rejected(self, info, order: Order):
price = order.price
units = order.units
if order.is_private:
market = Market(self._private_market_id)
else:
market = Market(self._public_market_id)
#possible reasons for a rejected order
if price > market.max_price or price < market.min_price:
self.inform("Order rejected, price out of range")
elif units > market.max_units or price < market.min_units:
self.inform("Order rejected, units out of range")
elif price % market.price_tick != 0:
self.inform("Order rejected, price not divisible by price tick")
elif units % market.unit_tick != 0:
self.inform("Order rejected, units not divisible by unit tick")
self._waiting_for_order = False
def _make_order(self, market_id, oside, price, otype = OrderType.LIMIT, \
units = 1):
"""
Makes and returns Order object with the defined parameters
"""
new_order = Order.create_new()
new_order.mine = True
new_order.market = Market(market_id)
new_order.order_side = oside
new_order.order_type = otype
new_order.price = price
new_order.units = units
new_order.ref = f'{otype} Order in {new_order.market.fm_id} \
for {new_order.units}@{new_order.price}'
return new_order
def Go_create_new_order(self,
price: int,
units: int,
order_side: OrderSide,
order_type: OrderType,
ref: str,
is_private: bool):
"""
Creates a new order given the parameters
:param price: determined price
:param units: # of units to be submitted, fixed to 1
:param order_side: buy or sell
:param order_type: limit or market, fixed to limit
:param ref: customer string of format "Order: {self._sent_order_count} - SM"
:return:
"""
new_order = Order.create_new()
# derive order attributes
if is_private:
market = self._private_market_id
new_order.owner_or_target = MANAGER_ID
else:
market = self._public_market_id
# make sure price is rounded in the public market
price -= price % self._price_tick
# in case price goes less than the tick, or more than ten
# set prices to the bounds
if price < self._price_tick:
price = self._price_tick
elif price > MAX_PRICE:
price = MAX_PRICE
new_order.market = Market(market)
new_order.price = price
new_order.units = units
new_order.order_side = order_side
new_order.order_type = order_type
new_order.ref = ref
# send order through
self._waiting_for_server = True
self.send_order(new_order)
self._tradeID += 1
def _market_making_strategy(self):
"""
MARKET MAKER STRATEGY
=====================
Simulate acquiring/disposing off one unit of each security to calculate
the change in performance because of this balancing.
This change in performance is determined to be the price the security
should by bought/sold for (accounts for changing variance and
changing expected return)
That price is then adjusted by a PROFIT MARGIN, and submitted to the
market
"""
# do nothing if sending through orders
if self._waiting or (len(self._asset_units.keys()) == 0):
return
self._mm_orders = {}
# acquire list of all securities
securities = list(self._payoffs.keys())
# for each security, determine the prices of valid buys and sells that
# can be created in the market
order = Order.create_new()
order.price = 0
for security in securities:
order.market = Market(self._market_ids[security])
# create quasi buy order
order.order_side = OrderSide.BUY
self.is_portfolio_optimal([order])
# create quasi sell order
order.order_side = OrderSide.SELL
self.is_portfolio_optimal([order])
# filter out orders from potential orders that can't be executed
# due to not enough cash / units
self._remove_invalid_mm_orders()
# # send valid market maker orders in the market
if not self._waiting:
self._waiting = True
self._send_valid_mm_orders()
def make_order(self, market_id, oside, price, otype = OrderType.LIMIT, \
units = 1):
"""
Makes and returns Order object with the defined parameters
"""
new_order = Order.create_new()
new_order.market = Market(market_id)
new_order.order_side = oside
new_order.order_type = otype
new_order.price = price
new_order.units = units
new_order.ref = f'{otype} Order in {new_order.market} \
for {new_order.units}@{new_order.price}'
if market_id == self._private_market_id:
new_order.owner_or_target = "M000"
return new_order
def initialised(self):
"""
Initialises bot
Stores the market id parameters for Order Management
"""
# dict to track market attributes
markets_to_trade = self.markets
for key in markets_to_trade:
self.inform(markets_to_trade[key])
# initialise public and private market IDs
if markets_to_trade[key].private_market:
self._private_market_id = key
else:
self._public_market_id = key
# track public market price tick
self._price_tick = Market(self._public_market_id).price_tick
def _sell_notes(self):
"""
Determines if current cash level is below arbitrary threshold,
if it yes, sells notes at a small loss
:return:
"""
# stop if initialising OR if have enough cash
if len(self._asset_units.keys()) == 0 or \
self._cash_available > MIN_CASH_THRESHOLD:
return
# find the note key
note_key = ""
for asset in self._asset_units:
if asset.lower() == "note":
note_key = asset
# check if have notes available to short
if self._asset_units[note_key] > self._short_units_allowed[note_key]:
self.inform(f"Cash avail: {self._cash_available}")
self.inform(f"Selling notes+++++++++++++++++++++++++++")
# create note sell orders for some price to obtain quick cash
market = Market(self._market_ids[note_key])
price_tick = market.price_tick
new_order = Order.create_new()
new_order.price = NOTE_SELLING_PRICE - \
(NOTE_SELLING_PRICE % price_tick)
new_order.market = market
new_order.units = 1
new_order.order_side = OrderSide.SELL
new_order.order_type = OrderType.LIMIT
new_order.ref = "Order need_cash - SM"
self._waiting = True
self._order_id += 1
self._num_orders_sent += 1
self.send_order(new_order)
def _create_new_order(self, market: int, price: int, units: int,
order_side: OrderSide, order_type: OrderType,
ref: str):
"""
:param market: market ID for the order
:param price: determined price
:param units: # of units to be submitted, fixed to 1
:param order_side: buy or sell
:param order_type: limit or market, fixed to limit
:param ref: customer string of format "Order: {self._sent_order_count} - SM"
:return:
"""
new_order = Order.create_new()
new_order.market = Market(market)
new_order.price = price
new_order.units = units
new_order.order_side = order_side
new_order.order_type = order_type
new_order.ref = ref
self.send_order(new_order)
self._waiting_for_server = True
self._sent_order_count += 1