Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF

VSSAMEX · USD
156.00USD-1.03 (-0.66%)

Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF (VSS) Historical Volatility

VSS 30-day historical volatility is 13%. This ranks in the 40th percentile of readings over the past year.

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Tracking VSS historical volatility helps you see how much Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF's HV tells you what really happened. Use our scanner to monitor VSS 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The VSS 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Attempts to track the performance of the FTSE Global Small Cap ex US Index. Provides a convenient way to get broad exposure across developed and emerging non-U.S. small-cap equity markets around the world. Passively managed, using index sampling.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Vanguard FTSE All-World Ex-US Small Capital Index Fund ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where VSS HV is running hot, cold, or in line. Make the VSS 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 23, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 23, 2026

See how volatility has moved over time

Track VSS historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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