PepsiCo Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 13th, 2026
1 Day
29.74%
decreased by 0.87%
1 Week
29.75%
decreased by 0.86%
1 Month
29.78%
decreased by 0.83%
Analysis last updated: Friday, July 10, 2026 at 10:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 10, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 196 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 235% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0135 | 14.81*** |
α ARCH Response to squared shocks | 0.0271 | 20.96*** |
β GARCH Volatility persistence | 0.9374 | 682.27*** |
γ leverage Additional response to negative shocks | 0.0638 | 16.00*** |
Persistence:
0.996
Half-life:
196 days
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