V-Lab
PepsiCo Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
21.08%
decreased by 0.94%
1 Week
21.25%
decreased by 0.77%
1 Month
21.72%
decreased by 0.30%
Analysis last updated: Wednesday, August 5, 2026 at 09:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 31, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 12 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5019 | 8.21*** |
α ARCH Response to squared shocks | 0.0895 | 7.88*** |
β GARCH Volatility persistence | 0.8524 | 53.64*** |
Spline Coefficients
K=6
| γ1 | 0.0508 | 4.87*** |
| γ2 | -0.1028 | -6.58*** |
| γ3 | 0.0894 | 8.05*** |
| γ4 | -0.0533 | -4.63*** |
| γ5 | 0.0370 | 3.03*** |
| γ6 | -0.0340 | -3.79*** |
Persistence:
0.942
Half-life:
12 days
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