V-Lab
PGIM S&P 500 Max Buffer ETF - December MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, July 27th, 2026
1 Day
1.68%
1 Week
1.68%
1 Month
1.68%
Analysis last updated: Saturday, July 25, 2026 at 02:18 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2025 to Jul 24, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 138629 trading days (~550.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 1.0000 | 0.00 |
γ leverage Additional response to negative shocks | 0.0000 | 0.00 |
λ₁ tau intercept Baseline long-term coefficient | 0.0111 | 0.00 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.0067 | 0.00 |
Persistence:
1.000
Half-life:
138629 days
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