Historical Volatility (Close-to-Close) (180-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.
iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) had 180-Day Historical Volatility (Close-to-Close) of 0.5028 for 2025-12-15.
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