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What is Variance?
Variance The square of volatility (standard deviation), measuring the average squared deviation of returns from the mean. Variance is the natural unit for many volatility calculations because variances add linearly over time while standard deviations do not. Variance swaps trade variance directly.
Complete definition
The square of volatility (standard deviation), measuring the average squared deviation of returns from the mean. Variance is the natural unit for many volatility calculations because variances add linearly over time while standard deviations do not. Variance swaps trade variance directly.
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ApexVol Terminal
Options analytics, live.
Chains, IV rank, expected move and dealer positioning for 5,500+ US stocks and ETFs.
- Live chains and Greeks
- IV rank and percentile
- Expected move and GEX
- Screener and strategy P&L
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