[bm1362]

You can purchase real time data streams for relatively cheap (200/month) from many companies, even exchanges themselves.

I’m actually building something similar for my own options trading and was eventually going to spin it into a SaaS.

[arthurcolle]

Haven't been able to find decent data providers other than brokers. Have any good providers you're willing to share?

[synthetik]

DTN IQFeed is affordable and has options data. Access is through a windows only client.