def close_position(self):
"""
close the position when current size of position is not zero
"""
if position() != 0:
# print("in close", position_list[-1])
Broker(self.init_capital).make_order(unit=-1 * position(),
limit_price=None,
stop_loss=None,
stop_profit=None)
else:
pass
def sell(self,
unit=None,
limit_price=None,
stop_loss=None,
stop_profit=None):
if unit is None:
unit = -position()
assert unit < 0, ' in sell action, unit must be negative'
Broker(self.init_capital).make_order(unit=unit,
limit_price=limit_price,
stop_loss=stop_loss,
stop_profit=stop_profit)
def buy(self,
unit=None,
limit_price=None,
stop_loss=None,
stop_profit=None):
if unit is None:
unit = position()
assert unit > 0, 'in buy action, unit must be positive'
Broker(self.init_capital).make_order(unit=unit,
limit_price=limit_price,
stop_loss=stop_loss,
stop_profit=stop_profit)
def short_position(self):
return position() < 0
def long_position(self):
return position() > 0
def empty_position(self):
return position() == 0
def position(self):
return position()
