VIX9D Index
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- VIX9D
Cboe S&P 500 9-Day Volatility Index
Last Sale:
36.56
Change:
8.91 (24.37%)
High:
39.70
Open:
34.24
Low:
34.24
Prev Close:
36.56
Last Updated:
2025-04-21 T: 16:15:01
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Cboe S&P 500 9-Day Volatility Index (VIX9D)
The Cboe S&P 500 9-Day Volatility Index SM (VIX9D) estimates the expected 9-day volatility of S&P 500® stock returns. Similar to VIX®, VIX9D is derived by applying the VIX algorithm to options on the Standard &Poor's 500 Index (SPX options), but it uses SPX options with expiration dates that bracket a nine-day period of time.VSTN and VSTF are variations of VIX9D that estimate the expected volatility of S&P 500 stock returns from the near term and far term SPX option series used to calculate VIX9D.