Onex Corp (Japan) GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
52.30%
decreased by 5.68%
1 Week
54.01%
decreased by 3.97%
1 Month
59.78%
increased by 1.80%
Analysis last updated: Friday, October 23, 2026 at 07:49 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 26, 1997 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 43 trading days, meaning a shock loses half its impact after approximately 43 days. Returns follow a Student-t distribution with v = 2.33 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 43-day half-lifev = 2.33 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 40.0546 | 0.65 |
| αscore | 0.1123 | 14.84*** |
| βpersistence | 0.9841 | 40.07*** |
| νDF | 2.3311 | 23.13*** |
0.984
Persistence43d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 40.0546 | 0.65 |
α score Weight on the scaled score | 0.1123 | 14.84*** |
β persistence Volatility persistence | 0.9841 | 40.07*** |
ν DF Student-t tail thickness | 2.3311 | 23.13*** |
Persistence:
0.984
Half-life:
43 days
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