Abstract: The invention includes systems and methods for price improvement in an electronic trading environment. The systems of the invention may include such components as auction clients for market participants to provide best prices and an auction module to coordinate auctions. The methods of the invention may include receiving best price quotes from market participants, the determination of best prices, and order execution based on single matches, multiple matches, and multiple matches on both sides of an order.

Abstract: The invention relates to financial systems and methods for trading fixed return options on secondary markets such as stock exchanges. A financial system of the invention includes both an electronic order delivery and execution system and/or an on-floor trading auction, configured to provide an exchange-traded environment. The financial system also includes at least one fixed return option or binary option traded through an exchange's order delivery and execution system or on-floor trading auction, whereby such trading environment provides an open market.