Volatility Calculator
Calculate standard deviation and annualized volatility
Price Data
Enter closing prices (daily, weekly, or any consistent interval)
Results
Returns Distribution
Volatility FAQ
80% annual volatility - what does that mean?
Roughly, expect the price to move within ±80% over a year (1 std dev). Could go up 80% or down 80%. In practice, distribution has fat tails.
Why is crypto so volatile?
24/7 trading, retail-dominated, narrative-driven, low liquidity vs stocks, regulatory uncertainty, and genuine price discovery for new assets.
Does volatility predict returns?
Not really. High vol doesn't mean high returns. You can have high vol with negative returns (see most altcoins in bear markets).
Implied vs historical volatility?
Historical looks backward at actual moves. Implied (from options) looks forward at expected moves. This tool calculates historical.
How to reduce portfolio volatility?
Add uncorrelated assets, include stablecoins, reduce altcoin allocation. BTC-heavy portfolios are less volatile than altcoin-heavy ones.
Volatility clustering?
High vol periods tend to cluster together. After a big move, expect more big moves. Calm follows calm, chaos follows chaos.
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