V-Lab
Procter & Gamble Co/The MEM Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
15.83%
decreased by 0.13%
1 Week
16.11%
increased by 0.15%
1 Month
17.06%
increased by 1.10%
Analysis last updated: Saturday, September 12, 2026 at 12:25 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 36 trading days, meaning a shock loses half its impact after approximately 36 days.
μ
MEM Model
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Shock decay: Shocks decay with a 36-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0368 | 2.33** |
| αARCH | 0.1873 | 11.80*** |
| βGARCH | 0.7938 | 66.38*** |
0.981
Persistence36d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0368 | 2.33** |
α ARCH Response to squared shocks | 0.1873 | 11.80*** |
β GARCH Volatility persistence | 0.7938 | 66.38*** |
Persistence:
0.981
Half-life:
36 days
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