V-Lab
CBOE Goldman Sachs Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
68.92%
decreased by 0.48%
1 Week
71.85%
increased by 2.45%
1 Month
79.30%
increased by 9.90%
Analysis last updated: Friday, July 24, 2026 at 11:37 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2011 to Jul 17, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.0056 | 12.32*** |
α ARCH Response to squared shocks | 0.1373 | 15.28*** |
β GARCH Volatility persistence | 0.8710 | 165.18*** |
γ leverage Additional response to negative shocks | -0.1373 | -13.99*** |
Persistence:
0.940
Half-life:
11 days
Other CBOE Goldman Sachs Volatility Index Analyses
Other GJR-GARCH Analyses on Volatility Indices