V-Lab
Kajima Corp MEM Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
34.38%
decreased by 3.56%
1 Week
34.76%
decreased by 3.18%
1 Month
36.00%
decreased by 1.94%
Analysis last updated: Friday, September 11, 2026 at 08:01 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 30, 1990 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.
μ
MEM Model
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Shock decay: Shocks decay with a 24-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1900 | 3.74*** |
| αARCH | 0.2494 | 13.49*** |
| βGARCH | 0.7216 | 56.29*** |
0.971
Persistence24d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1900 | 3.74*** |
α ARCH Response to squared shocks | 0.2494 | 13.49*** |
β GARCH Volatility persistence | 0.7216 | 56.29*** |
Persistence:
0.971
Half-life:
24 days
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