@backtrader res is a lib that I used to get the stock data frame by entering the stock code,I followed the documentation but still got the same error :
This is the code I have changed:
This is the dataframe that I feed in:
This is the output:
This problem is actually very weird because the strategy works properly before 2022-11-01. but after that day, it suddenly crashed. and this problem happens in some code stocks(actually happens in ETF 510760), for others, it works fine.
@backtrader Here I use getETFdata method which will return a dataframe that I provide picture above.
this pic show how I feed the data:
this is the data and data types that I feed in
This problem never happened before:
not sure where goes wrong or maybe something wrong with the data feed?
Traceback (most recent call last):
File "/newVolume/DataAnalysis/backEnd/backTest.PY", line 85, in <module>
cerebro.run()
File "/home/li/.local/lib/python3.8/site-packages/backtrader/cerebro.py", line 1132, in run
runstrat = self.runstrategies(iterstrat)
File "/home/li/.local/lib/python3.8/site-packages/backtrader/cerebro.py", line 1298, in runstrategies
self._runonce(runstrats)
File "/home/li/.local/lib/python3.8/site-packages/backtrader/cerebro.py", line 1693, in _runonce
self._brokernotify()
File "/home/li/.local/lib/python3.8/site-packages/backtrader/cerebro.py", line 1365, in _brokernotify
self._broker.next()
File "/home/li/.local/lib/python3.8/site-packages/backtrader/brokers/bbroker.py", line 1233, in next
self._get_value() # update value
File "/home/li/.local/lib/python3.8/site-packages/backtrader/brokers/bbroker.py", line 433, in _get_value
comminfo = self.getcommissioninfo(data)
File "/home/li/.local/lib/python3.8/site-packages/backtrader/broker.py", line 80, in getcommissioninfo
if data._name in self.comminfo:
AttributeError: 'int' object has no attribute '_name'
