Interest Rate Options: Caps, Floors, and Swaptions

Free CFA Level II lesson in Derivatives. 21 min read, ~3,099 words.

A cap is a portfolio of caplets (calls on the forward rate); a floor is a portfolio of floorlets (puts on the forward rate). Each reset settles independently, paid in arrears. Caplet payoff = Notional x max(Reference rate - Cap rate, 0) x (days / 360). The day-count multiplier is...

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