WisdomTree U.S. Efficient Core Fund
WisdomTree U.S. Efficient Core Fund (NTSX) Historical Volatility
NTSX 30-day historical volatility is 11%. This ranks in the 28th percentile of readings over the past year.
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Tracking NTSX historical volatility helps you see how much WisdomTree U.S. Efficient Core Fund'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, WisdomTree U.S. Efficient Core Fund's HV tells you what really happened. Use our scanner to monitor NTSX 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 NTSX 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing WisdomTree U.S. Efficient Core Fund'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 fund is actively managed using a models-based approach. It seeks to achieve its investment objective by investing in large-capitalization U.S. equity securities and U.S. Treasury futures contracts. Under normal circumstances, the fund will invest approximately 90% of its net assets in U.S. equity securities. It is non-diversified.
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 WisdomTree U.S. Efficient Core Fund's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where NTSX HV is running hot, cold, or in line. Make the NTSX 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 30, 2026
As of September 30, 2026
See how volatility has moved over time
Track NTSX historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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