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A comment on Show HN: Trade stocks from the command line with no commission. Parent comment

Re:Show HN: Trade stocks from the command line with no commi... by nemothekid on Sunday May 17, 2020 @12:01PM (#23212843)
Polygon offers 1 second bars (https://polygon.io/sockets) for $200/mo.
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Re:Show HN: Trade stocks from the command line with no commi... by proverbialbunny on Tuesday May 19, 2020 @01:20PM (#23237450)
Cool! Know of any cheap 1 sec bar or less historical data sources?

IBS does live tick data for around $10 a month, smaller than 1sec. I hate IBS, but I hate paying $200 a month more, especially when I'm backtesting most months.

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Re:Show HN: Trade stocks from the command line with no commi... by nemothekid on Saturday May 23, 2020 @10:59PM (#23288730)
I came across https://tradier.com/products/brokerage-api which seems to provide historical data for free. I'm taking a look currently, so I'm unsure how good the data is.
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