V-Lab
Sichuan Haite High-tech Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
50.94%
decreased by 0.11%
1 Week
50.96%
decreased by 0.09%
1 Month
51.02%
decreased by 0.03%
Analysis last updated: Wednesday, August 26, 2026 at 07:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 21, 2004 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 50 trading days, meaning a shock loses half its impact after approximately 50 days. Returns follow a Student-t distribution with v = 4.98 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 | 10.5652 | 4.43*** |
α ARCH Response to squared shocks | 0.0644 | 24.71*** |
β GARCH Volatility persistence | 0.9864 | 292.34*** |
ν DF Student-t tail thickness | 4.9762 | 7.14*** |
Persistence:
0.986
Half-life:
50 days
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