Procter & Gamble Co/The AGARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
23.55%
decreased by 0.69%
1 Week
23.50%
decreased by 0.74%
1 Month
23.33%
decreased by 0.91%
Analysis last updated: Monday, July 20, 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 Jul 17, 2026Model Insight
The news-impact curve is shifted (γ = 0.47) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0160 | 8.21*** |
α ARCH Response to squared shocks | 0.0677 | 43.04*** |
β GARCH Volatility persistence | 0.9162 | 503.14*** |
γ leverage Additional response to negative shocks | 0.4706 | 18.67*** |
Persistence:
0.984
Half-life:
43 days
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