Northern Trust Quality Dividend Defensive ETF

QDEFAMEX · USD
89.69USD0.00 (0.00%)

Northern Trust Quality Dividend Defensive ETF (QDEF) Historical Volatility

QDEF 30-day historical volatility is 8%. This ranks in the 16th percentile of readings over the past year.

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Tracking QDEF historical volatility helps you see how much Northern Trust Quality Dividend Defensive 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, Northern Trust Quality Dividend Defensive ETF's HV tells you what really happened. Use our scanner to monitor QDEF 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 QDEF 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Northern Trust Quality Dividend Defensive 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.

For investors seeking a defensive approach to US quality.The Fund seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the Northern Trust Quality Dividend Defensive Index (Underlying Index).

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 Northern Trust Quality Dividend Defensive ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where QDEF HV is running hot, cold, or in line. Make the QDEF 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 October 2, 2026

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

As of October 2, 2026

See how volatility has moved over time

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

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