iShares Bloomberg Roll Select Commodity Strategy ETF

CMDYAMEX · USD
60.35USD-0.12 (-0.20%)

iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) Historical Volatility

CMDY's 30 day historical volatility is 11.59%, in the 10th percentile of readings over the past year. This is a low percentile, meaning iShares Bloomberg Roll Select Commodity Strategy ETF shares have been calmer than usual. CMDY's 30 day implied volatility sits at 56.60%, with an IV Rank of 97.62%, leaving IV 45.01 points above historical volatility. This means options are pricing in more movement than the stock has actually delivered, as of Nov 5, 2026.

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Tracking CMDY historical volatility helps you see how much iShares Bloomberg Roll Select Commodity Strategy ETF's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, CMDY's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor CMDY 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 a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. CMDY's 30 day historical volatility, or CMDY HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing CMDY's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.

The iShares Bloomberg Roll Select Commodity Strategy ETF (the “Fund”) seeks to track the investment results of an index composed of a broad range of commodity exposures with enhanced roll selection, on a total return basis.

Historical Volatility

HV Percentile
10thHV Percentile
Low

Historical movement is subdued versus the past year. The stock has been unusually quiet.

Historical Volatility (30d)11.59%

HV Percentile10th

Implied Volatility (30d)56.60%

IV Rank97.62%

IV Minus HV+45.01%

As of Nov 5, 2026

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

As of Nov 5, 2026

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

As of Nov 5, 2026

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