code: def __placeSellOrder(self, tick):
          ''' place sell order '''
          if self.__position < 0:
              return
  
          share=self.__position
          order=Order(accountId=self.__strategy.accountId,
                           action=Action.SELL,
                           is_market=True,
                           symbol=self.__symbol,
                           share=-share)
          if self.__strategy.placeOrder(order):
              self.__position=0
              self.__buyPrice=f __placeSellOrder(self, tick):
          ''' place sell order '''
          if self.__position < 0:
              return
  
          share=self.__position
          order=Order(accountId=self.__strategy.accountId,
                           action=Action.SELL,
                           is_market=True,
                           symbol=self.__symbol,
                           share=-share)
          if self.__strategy.placeOrder(order):
              self.__position=0
              self.__buyPrice=0
docs: place sell order