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Acquisition calculator

IV Crush Calculator

Estimate how much a long premium position can gain or lose if implied volatility reprices after an earnings or catalyst event.

Option-price change per share for a one percentage-point move in IV.

Formula: vega × (post IV - pre IV) × contracts × 100

IV crush result

Complete the fields, then calculate the estimated impact.

Next step

Read the IV crush lessonPreview the School pathCreate free account

Educational estimate only. This tool does not fetch market data, predict earnings reactions, or recommend a position.

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