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I've been algo trading as a side project for a few years now, but all through TD Ameritrade. I get all my quotes and whatnot with them, and it's free with my accounts. I also get other data elsewhere, which is free as well.

I was curious in getting a websocket setup with Polygon after seeing your post, but I noticed it's $29 for first package with the websocket feature. Then I noticed that the package with real-time data is the Advanced package at $200 a month. I'll admit, real-time with unlimited API calls sounds pretty sweet, as my strats rely on to the second data. However, I don't know if I can justify $200 as my algos run no more than 78% win rates with a normal bankroll funding it all. I'm looking to save wherever I can while I build these things and get a passive income stream rolling in.

I would love to know which package you were using, as I didn't see it in the time I quickly read your post? Also, any pro/cons to that specific package? Any and all other details are welcome, and if you would rather respond to my email, it's in my profile. Thanks!




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