Market data is available from all US stock, futures and options exchanges, including regional exchanges and electronic communication networks (ECNs) via otFeed. For a list of exchanges, please click here.

opentick has gone open source! If you are a developer and wish to contribute to the only free, open source market data provider, please review our CVS tree and forum for more information.

Click here to get started downloading sample applications and reviewing API documentation.

otFeed is Compatible with several popular trading platforms. Don't see your favorite platform listed here? Contact us.