Files
catalyst/zipline/optimize/algorithms.py
T

34 lines
1001 B
Python

from logbook import Logger
from zipline.algorithm import TradingAlgorithm
logger = Logger('Algo')
class BuySellAlgorithm(TradingAlgorithm):
"""Algorithm that buys and sells alternatingly. The amount for
each order can be specified. In addition, an offset that will
quadratically reduce the amount that will be bought can be
specified.
This algorithm is used to test the parameter optimization
framework. If combined with the UpDown trade source, an offset of
0 will produce maximum returns.
"""
def initialize(self, amount=100, offset=0):
self.amount = amount
self.buy_or_sell = -1
self.offset = offset
self.orders = []
def handle_data(self, data):
order_size = self.buy_or_sell * (self.amount - (self.offset**2))
self.order(self.sids[0], order_size)
logger.debug("ordering" + str(order_size))
#sell next time around.
self.buy_or_sell *= -1
self.orders.append(order_size)