US Patent 7778917 Magnified bull and/or bear index participation notes

Techniques are described for securitizing, administrating and trading various index shares securitized by derivative, cash-settled instruments on the underlying index. In some examples, the tradable index shares are backed by a fractional interest in a plurality of derivative financial instruments and an amount of cash about equal to a strike price for one of the plurality of financial instruments to secure the tradable index receipt.