May-29-2020, 07:14 AM
class MACD_Strategy: def __init__(self, stock_price, MACD, MACD_Signal): self.stock_price = stock_price self.MACD = MACD self.MACD_Signal = MACD_Signal def trade(self): if MACD[-1] < MACD_Signal[-1] and MACD[-2] > MACD_Signal[-2]: print(stock_price[0]) elif MACD[-1] > MACD_Signal[-1] and MACD[-2] < MACD_Signal[-2]: print(stock_price[0]*-1)I want to return stock price that fulfill the criteria set out in def trade function.
then i move to the next
Testing = MACD_Strategy(China_Mobile['China Mobile Ltd - Last Price'], China_Mobile['MACD'], China_Mobile['MACD_Signal']) Testing.trade()Chnina_Mobile is a dataframe consisting date, last price, MACD and MACD signal.
then i got the error
Error:TypeError Traceback (most recent call last)
<ipython-input-140-4ca2b450b15b> in <module>
----> 1 Testing.trade()
<ipython-input-138-debb79fae608> in trade(self)
6
7 def trade(self):
----> 8 if MACD[-1] < MACD_Signal[-1] and MACD[-2] > MACD_Signal[-2]:
9 print(stock_price[0])
10
TypeError: 'type' object is not subscriptable
PLease help