State Street Bridgewater All Weather ETF
State Street Bridgewater All Weather ETF (ALLW) Historical Volatility
ALLW 30-day historical volatility is 8%. This ranks in the 16th percentile of readings over the past year.
Read more
Tracking ALLW historical volatility helps you see how much State Street Bridgewater All Weather 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, State Street Bridgewater All Weather ETF's HV tells you what really happened. Use our scanner to monitor ALLW 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 ALLW 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing State Street Bridgewater All Weather 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.
The State Street Bridgewater All Weather ETF is an actively managed, diversified, global multi-asset allocation ETF that seeks to be resilient across a wide range of market conditions and environments, including economic contractions and elevated inflation.ALLW may invest across a range of global asset classes, such as domestic and international equities, nominal and inflation-linked bonds, and commodity exposures.ALLW is designed to balance assets with various sensitivities to key economic environments without predicting which environment is ahead, which means risk is allocated equally to different growth and inflation environments.
ALLW uses Bridgewater's portfolio construction expertise and macro understanding of various market environments to build and evolve the model portfolio. SSGA Funds Management Inc. then implements the model by purchasing and selling securities and/or instruments for the fund.
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 State Street Bridgewater All Weather ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where ALLW HV is running hot, cold, or in line. Make the ALLW 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 16, 2026
As of September 16, 2026
See how volatility has moved over time
Track ALLW historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
Start your 14-day free trial→