Reliable and inexpensive Quotes are reliable and service is inexpensive. Option quotes via an API are hard to come by so that's a plus for this service. A few quirks here and there with the Google Sheets but my Python program is quite happy being able to get quotes without having to scrape an unreliable web page.

So far we have had a great experience… So far we have had a great experience with the implementation. After having tried several data providers, this is the best by far. We cant wait for the News section to be available.

Like the rest services but... Like the rest services, performance can be a little slow

I've just started to use MarketData I've just started to use MarketData. I finished the first version of a Windows App that lets me gather and analize option chains and stock info. So far so good. Servers have been up with no hiccups and my Application is running well with the API calls. I would have given five stars but was disappointed that dividend data on stocks wasn't present. Dividend is a pretty standard metric. So I hope it is added soon.

Good product. Minor issues. 100% worth the investment! Good product. I do have occasions when formula is correct and I get an error message ... only to see, a short time later, that data has populated. All in all, though, I'm very satisfied to have the capacity to do market analysis more efficiently than having to download from an outside source.