// multi-utility computation suite · offline · instant · precise
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fin.option-vega Calculator
Calculates option Vega (the sensitivity of option price to a 1-percentage-point change in implied volatility) for a given strike and expiry. Vega is the key Greek for volatility traders — long options benefit from rising implied volatility (vega-long) regardless of direction.
Inputs
S
Current price per share. Used in P/E ratios, options pricing, and market cap calculations.
K
The price at which an option can be exercised. Call options profit when the market price exceeds the strike; put options profit when it falls below.
T
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Sigma
Reference formula or conversion factor shown for context.
Results
Vega (per 1% IV change)
Sample size or count used in the calculation.
d1
Reference formula or conversion factor shown for context.