Can't Run Example -- Setting 'Paper' parameter to True doesn't connect to paper trading about alpaca-backtrader-api HOT 12 CLOSED

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I can't run too. Any update?

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This is from bug. But it is already fixed.
Please release new version!

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Hi, any updates regarding this. I have same issue.

Thanks in advance.

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same problem here. any updates?

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same issue.

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+1

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I don't think you can access the Polygon API from a paper trading account. Hoping @umitanuki would be so generous as to provide an update.

As for the above issue, it is caused by leaving "historical = True". For paper trading, it needs to be "False," which effectively deactivates the "fromdate". Relevant code ----->

data0 = DataFactory( dataname='AAPL', historical=False, #!!! fromdate=datetime(2015, 1, 1), timeframe=bt.TimeFrame.Minutes) cerebro.adddata(data0)

@umitanuki details this in his Medium post on this topic, saying "All you need to do is to change the “historical=True” to False and set broker to Alpaca." (source: https://medium.com/automation-generation/introducing-alpaca-backtrader-integration-898d8cabffdc)

HOWEVER, doing this causes a current event loop error, resulting in the following message:

Starting Portfolio Value: 10000.00 Exception in thread Thread-1: Traceback (most recent call last): File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/threading.py", line 917, in _bootstrap_inner self.run() File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/threading.py", line 865, in run self._target(*self._args, **self._kwargs) File "/Users/MyName/PycharmProjects/alpacatest/venv/lib/python3.7/site-packages/alpaca_backtrader_api/alpacastore.py", line 416, in _t_streaming_prices base_url=self.p.base_url) File "/Users/MyName/PycharmProjects/alpacatest/venv/lib/python3.7/site-packages/alpaca_backtrader_api/alpacastore.py", line 91, in __init__ self.conn = tradeapi.StreamConn(api_key, api_secret, base_url) File "/Users/MyName/PycharmProjects/alpacatest/venv/lib/python3.7/site-packages/alpaca_trade_api/stream2.py", line 27, in __init__ self.loop = asyncio.get_event_loop() File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/asyncio/events.py", line 644, in get_event_loop % threading.current_thread().name) RuntimeError: There is no current event loop in thread 'Thread-1'.

Alpaca + Backtrader are awesome. Really hoping we can get an example of an algorithm made in backtrader that can flipped "live" to Alpaca paper trading for testing. Fingers crossed.

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I think this may have to do with polygon's depreciation of v1 aggregate api call. I was getting the same error as Andrew5194 and was able to fix it by forking this and updating the polygon call on line 355 of alpacastore.py (and a few other lines) to the v2 aggregate api call. Would be great if we could update this here so I can stay off my fork!

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currently, alpaca_backtrader_api works with polygon as a datasource out of the box.
that means you need a live key to be able to access the polygon API

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please check the version on pypi for the latest updates.
this issue should be resolved. make sure you are using a funded alpaca account.
let me know if there are any more issues with this.

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@shlomikushchi I still have this issue. I have the latest package installed:

pip freeze | findstr alpaca-backtrader-api
alpaca-backtrader-api==0.7

I copy and pasted sma_crossover_strategy.py from samples folder. provided a live account ID and key (and actually changing "paper" to false for store) and still got this:

RuntimeError: There is no current event loop in thread 'Thread-11'.

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