V-Lab
Kei Industries Ltd Asy. Power MEM Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
35.32%
decreased by 3.35%
1 Week
37.15%
decreased by 1.52%
1 Month
40.36%
increased by 1.69%
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 5 trading days, meaning a shock loses half its impact after approximately 5 days. The volatility power δ = 1.32 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5060 | 7.55*** |
α ARCH Response to squared shocks | 0.2561 | 51.83*** |
β GARCH Volatility persistence | 0.6505 | 88.06*** |
γ leverage Additional response to negative shocks | 0.0094 | 1.20 |
δ power Transformation power | 1.3169 | 12.55*** |
Persistence:
0.863
Half-life:
5 days
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