iShares MSCI Taiwan ETF

EWTAMEX · USD
113.08USD0.00 (+0.52%)

iShares MSCI Taiwan ETF (EWT) Historical Volatility

EWT 30-day historical volatility is 26%. This ranks in the 42th percentile of readings over the past year.

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Tracking EWT historical volatility helps you see how much iShares MSCI Taiwan 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, iShares MSCI Taiwan ETF's HV tells you what really happened. Use our scanner to monitor EWT 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 EWT 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing iShares MSCI Taiwan 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 iShares MSCI Taiwan ETF seeks to track the investment results of an index composed of Taiwanese equities.

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 iShares MSCI Taiwan ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where EWT HV is running hot, cold, or in line. Make the EWT 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 24, 2026

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

As of September 24, 2026

See how volatility has moved over time

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

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