V-Lab
Wenzhou Yihua Connector Co., Ltd. GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
61.88%
decreased by 3.21%
1 Week
62.17%
decreased by 2.92%
1 Month
63.13%
decreased by 1.96%
Analysis last updated: Tuesday, August 25, 2026 at 06:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 7, 2017 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days. Returns follow a Student-t distribution with v = 6.67 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 | 17.8355 | 5.26*** |
α ARCH Response to squared shocks | 0.1041 | 15.86*** |
β GARCH Volatility persistence | 0.9720 | 150.24*** |
ν DF Student-t tail thickness | 6.6667 | 3.86*** |
Persistence:
0.972
Half-life:
24 days
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