Cheapest data stream

Details please. Tick data or EOD. How far back? How deep? Generally, i'm wary of this "cheapest data" combination. But it all depends on what you want to do with it.
 
Do you need full depth? Tradier will do around 1k streaming NBBO for free. Polygon with an Alpaca account will give you full market NBBO for free.
Interesting ,Are spreads higher than IBKR for FANG stocks?
 
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Interesting ,Are spreads higher than IBKR for FANG stocks?

You don’t need to execute there, just fetch data. The data is the same as IBKR from my testing. Although I’d recommend Tradier for the lowest fee option trading anywhere.
 
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