Taisei Corp MEM Volatility Analysis
Volatility prediction for Friday, October 16th, 2026
1 Day
42.06%
increased by 7.72%
1 Week
42.07%
increased by 7.73%
1 Month
42.07%
increased by 7.73%
Analysis last updated: Friday, October 16, 2026 at 07:47 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 30, 1990 to Oct 9, 2026Model Insight
Volatility shocks decay with a half-life of 38 trading days, meaning a shock loses half its impact after approximately 38 days.
μ
MEM Model
Tap to view equation
Shock decay: Shocks decay with a 38-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1277 | 2.00** |
| αARCH | 0.2041 | 10.74*** |
| βGARCH | 0.7777 | 66.01*** |
0.982
Persistence38d
Half-lifeμ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1277 | 2.00** |
α ARCH Response to squared shocks | 0.2041 | 10.74*** |
β GARCH Volatility persistence | 0.7777 | 66.01*** |
Persistence:
0.982
Half-life:
38 days
Other MEM Analyses on International Equities