# Put Option

*Derivatives & Options — Finicade finance glossary*

The right to sell an asset at a fixed strike price before expiry. A put gains value as the price falls, so it works as insurance on something you own — or as a direct bet on a decline.

**Also known as:** put

**Related terms:** [Option](https://finicade.com/glossary/option), [Call Option](https://finicade.com/glossary/call-option), [Strike Price](https://finicade.com/glossary/strike-price), [Put-Call Parity](https://finicade.com/glossary/put-call-parity)

**Taught in:** Hull Street — How Options Work

Source: https://finicade.com/glossary/put-option