Knight Equity Markets, LP. will become a competitive market maker (CMM) on International Securities Exchange's "Knight is developing options market making capabilities as an extension of our equities and fixed income trade execution services for broker0dealers," stated Thomas Joyce, chairman and CEO of Knight Capital Group, Inc.. "ISE is one of the most advanced, efficient and transparent options markets for investors. We look forward to joining as market maker and generating additional liquidity for the benefit of all market participants," stated Joyce in the release.

Commenting on the news of Knight's CMM participation, Gary Katz, president and CEO of ISE said in the release, "Knight will bring its advanced trading systems and expertise as a global liquidity provider to its new market making role at ISE. As a CMM, Knight will play a key role in providing competitive quotes and deep liquidity for all options products traded on ISE."

Knight will maintain its electronic access member (EAM) trading rights on the exchange.