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i am re-using a code which calculates trailing stop of a trade strategy

def calculate_trailing_stop():
    xATR = talib.ATR(list(src), atrperiod)

here atrperiod is 10 and src is an array of last 10 samples. when I run this program I got following error indicating that at least 3 arguments are required:

result = func(*_args, **_kwds)
File "talib/_func.pxi", line 495, in talib._ta_lib.ATR
TypeError: ATR() takes at least 3 positional arguments (2 given)

Can anyone tell what the third argument should be? i am using python 3.8.1

user3696623
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  • Reading this [https://stackoverflow.com/questions/71142257/what-is-correct-configuration-of-input-parameters-for-calculating-rsi-and-roc](https://stackoverflow.com/questions/71142257/what-is-correct-configuration-of-input-parameters-for-calculating-rsi-and-roc) solved the problem – user3696623 Jul 29 '23 at 05:14

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