V-Lab
Procter & Gamble Co/The GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
17.39%
decreased by 0.02%
1 Week
17.52%
increased by 0.11%
1 Month
18.00%
increased by 0.59%
Analysis last updated: Tuesday, August 25, 2026 at 09:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 195% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0234 | 14.96*** |
α ARCH Response to squared shocks | 0.0310 | 16.82*** |
β GARCH Volatility persistence | 0.9271 | 495.23*** |
γ leverage Additional response to negative shocks | 0.0603 | 13.21*** |
Persistence:
0.988
Half-life:
58 days
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