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Re: ib market data. is it clean and any good alterantive sources?


 

how long have you been using it? appreciate if you can share real experience, like telling me oh i have been extracting them daily, hourly for some years and found the data quality high and without issue when extracting them.
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when in production, i want something consistent (without format change, data change or delay).?
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don't know how reliable polygon.io is but i would prefer something with long history

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