Historical Volatility (Close-to-Close) (20-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

FlexShares iBoxx 5-Year Target Duration TIPS ETF (TDTF) had 20-Day Historical Volatility (Close-to-Close) of 0.0272 for 2025-10-13.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
Download data in CSV, Excel, JSON, or XML format
Up to 20 years of data history
52-Week Rank and Percentile for all metrics and time frames

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Figures for 2025-10-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0272
Historical Volatility (Parkinson)	0.0184
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--