Procter & Gamble Co/The MEM Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
24.85%
decreased by 2.16%
1 Week
24.76%
decreased by 2.25%
1 Month
24.44%
decreased by 2.57%
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
Volatility shocks decay with a half-life of 37 trading days, meaning a shock loses half its impact after approximately 37 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0365 | 9.27*** |
α ARCH Response to squared shocks | 0.1871 | 47.08*** |
β GARCH Volatility persistence | 0.7943 | 264.94*** |
Persistence:
0.981
Half-life:
37 days
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