Valuation of Interest Rate Derivatives › Interest Rate Options: The Big Picture
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Interest rate derivatives give you asymmetric payoffs based on interest rate movements. Unlike swaps, which create symmetric obligations for both parties, options allow one party to benefit from favorable rate movements while limiting downside exposure.
The three primary categories of interest rate options are:
- Caps and Floors: Options that provide protection against rates rising above (cap) or falling below (floor) a specified strike level
- Swaptions: Options to enter into an interest rate swap at a future date with pre-specified terms
- Bond Options: Options on specific bonds or bond futures, often embedded in callable or putable bonds
These instruments serve both hedging and speculative purposes. You might purchase a cap to limit maximum interest expenses on floating-rate debt, or use swaptions to hedge the prepayment risk embedded in a mortgage portfolio. You might also trade volatility by buying or selling caps and swaptions based on views about future rate volatility.