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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

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

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