First Trust Alerian U.S. NextGen Infrastructure ETF

RBLDAMEX · USD
84.04USD0.00 (0.00%)

First Trust Alerian U.S. NextGen Infrastructure ETF (RBLD) Historical Volatility

RBLD 30-day historical volatility is 14%. This ranks in the 38th percentile of readings over the past year.

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Tracking RBLD historical volatility helps you see how much First Trust Alerian U.S. NextGen Infrastructure 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, First Trust Alerian U.S. NextGen Infrastructure ETF's HV tells you what really happened. Use our scanner to monitor RBLD 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 RBLD 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing First Trust Alerian U.S. NextGen Infrastructure 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 First Trust Alerian U.S. NextGen Infrastructure ETF (the "Fund"), formerly First Trust Global Engineering and Construction ETF, seeks investment results that correspond generally to the price and yield (before the Fund's fees and expenses) of an equity index called the Alerian U.S. NextGen Infrastructure Index (the "Index"). The Fund will normally invest at least 90% of its net assets (plus any borrowings for investment purposes) in the common stocks and real estate investment trusts ("REITs") that comprise the Index. The Fund, using an indexing investment approach, attempts to replicate, before fees and expenses, the performance of the Index.

The Index is owned and is developed, maintained and sponsored by VettaFi LLC ("VettaFi" or the "Index Provider"). The Index Provider retains the right at any time, upon prior written notice, to modify the Index methodology.

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 First Trust Alerian U.S. NextGen Infrastructure ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where RBLD HV is running hot, cold, or in line. Make the RBLD 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 17, 2026

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

As of September 17, 2026

See how volatility has moved over time

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

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