- ago
Hello,

I want to create a strategy on the Russel 1000 dataset. As it seems that not all prices are covered by Wealth Data, I went for multipe data providers. Still I get the message that 915 symbols were loaded - so almost 10% missing. I also get error messages like

"Yahoo Finance: Error getting history - The remote server returned an error: (401) Unauthorized."

And backtesting leads to different results despite all conditions remained the same. So I want to ask, hot to properly backtest on the Russel 1000 dataset?

Thank you for your help!
Werner
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- ago
#1
QUOTE:
"Yahoo Finance: Error getting history - The remote server returned an error: (401) Unauthorized."

Yes, this is known:
https://www.wealth-lab.com/Discussion/Yahoo-update-error-401-Unauthorized-7927

QUOTE:
So I want to ask, hot to properly backtest on the Russel 1000 dataset?

There's no shortage in data providers to try except Yahoo. And on top of this, the finantic BestData extension may be useful as it declares being able to generates data with a very low error rate from multiple installed sources:

https://www.wealth-lab.com/extension/detail/finantic.BestData
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- ago
#2
OK, thanks man! I will look into it.
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