Options & derivatives

Implied volatility

Implied volatility is the market's estimate of how much an asset will move in the future, reflected in option prices.

The higher the implied volatility, the more expensive options are, because a big move is expected. It often spikes before an event (earnings) and drops after: a classic trap for option buyers.

Example

Before earnings, implied volatility rises and options get expensive; afterward, it collapses.

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