V-Lab
Kei Industries Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
41.79%
increased by 0.81%
1 Week
43.27%
increased by 2.29%
1 Month
46.76%
increased by 5.78%
Analysis last updated: Wednesday, August 26, 2026 at 08:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 5, 2006 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days. Returns follow a Student-t distribution with v = 3.59 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 10.4639 | 7.35*** |
α ARCH Response to squared shocks | 0.1050 | 16.63*** |
β GARCH Volatility persistence | 0.9235 | 82.50*** |
ν DF Student-t tail thickness | 3.5899 | 8.28*** |
Persistence:
0.924
Half-life:
9 days
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