Tiingo VS Polygon.io

The next problem is where are you going to get historic data? For stocks you can use a provider like Norgate - good but expensive, or tiingo.com. You could backtest a directional trade and then execute it with credit spreads, for example. If you want historic option chain data that is going to be huge and expensive. I recommend ivolatility.com and they usually have some sort of "black friday sale" around now. ... Source: over 1 year ago

I am building a web app, and I would like to use the polygon.io API on the back-end to forecast the market sentiment. The individual upgrade is $200, while business upgrade would cost $2000. Would my use of the API considered personal or commercial? Source: 5 months ago

It's worth mentioning that we use polygon.io to provide market information, which has the ability to specify time frames for data. Each ChatGPT call will have the appropriate information at the time it should. We also use a temperature of 0, as we want idempotent predictions. Source: 10 months ago

I am currently testing the products from Polygon.io . They seem to have everything I need, however I noticed that sometimes prices are not adjusted for splits. I have seen on subreddit that this is a known problem with Polygon (about more than 3 years ago!) so I am wondering about the quality of their data. Source: 10 months ago

Polygon.io is our main data source, then we have other auxiliary sources to fill in other details polygon doesn't provide. Source: 10 months ago

To get the stock price data, we are going to use Polygon,. - Source: dev.to / 11 months ago