V-Lab
Kei Industries Ltd MEM Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
36.30%
decreased by 2.85%
1 Week
39.02%
decreased by 0.13%
1 Month
44.50%
increased by 5.35%
Analysis last updated: Saturday, August 8, 2026 at 10:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 5, 2006 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9438 | 9.51*** |
α ARCH Response to squared shocks | 0.2413 | 19.42*** |
β GARCH Volatility persistence | 0.6636 | 103.14*** |
Persistence:
0.905
Half-life:
7 days
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