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Low cost programmatic access to US brokers
Are there US stock brokers that allow programmatic access for retail investing?
I would like to be able to connect to my broker's API to check my stock portfolio and place trades. I'm not looking for any nanosecond-level HFT support, I just want a script to update stop loss orders every few days. Basically, the same stuff I do through the web site, but without dealing with my broker's bloated web UI.
I know there are "professional" brokerages that have API plans starting at many hundreds of dollars a month. This is not what I'm looking for. My investments don't make nearly enough to justify that kind of overhead. Usually these plans are aimed at people who will be placing thousands of trades a day, which I'm not planning to do either. I don't mind paying extra for this in principle, but the cost should scale down for people with low usage. No setting the minimum rate at 1000x what my usage will be.
- Are there any brokers in the US that support programmatic access at reasonable cost for a retail investor?
- Are there any third party services that provide this as a layer on top of your brokerage account?
- If I was willing to scrape the HTML, are there any brokers that are okay with clients doing it? The coding for this is not hard, but I don't want to get my investment account closed for "violating ToS" or "unauthorized usage", and it's a lot of paperwork to open accounts so I don't want to just find the one that allows it through trial and error.
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