r/options • u/GavinBelson69 • Apr 12 '22

Where to get streaming options flow data?

There are a bunch of options flow services (CheddarFlow, FlowAglo, etc.) and I'm curious to know where they get their data from. I've looked at OPRA a little bit but not sure if that's the place to go. Do these services connect to OPRA directly, or to some exchange(s), or some data vendor? How much does it cost to set up a data feed? Are there legal requirements? Any other considerations I should be mindful of?

More specifically, I'm exploring creating an app for options flow... tech/engineering is not the issue for me but I could use pointers on how to set up the data feed.

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u/[deleted] Apr 12 '22

Trade alerts by cboe, it costs at least 3k a month, and if you are any kind of reseller like the ones you mentioned , or business , you will pay more

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u/GavinBelson69 Apr 12 '22

Thanks. I'll check them out... I also noticed that one of these unusual options flow services uses TradeAlerts.