V-Lab
Huron Consulting Group Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
56.66%
decreased by 3.64%
1 Week
56.14%
decreased by 4.16%
1 Month
54.27%
decreased by 6.03%
Analysis last updated: Friday, August 21, 2026 at 09:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 13, 2004 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 37 trading days, meaning a shock loses half its impact after approximately 37 days. Returns follow a Student-t distribution with v = 3.40 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 | 6.3818 | 3.38*** |
α ARCH Response to squared shocks | 0.0600 | 23.02*** |
β GARCH Volatility persistence | 0.9815 | 175.36*** |
ν DF Student-t tail thickness | 3.4002 | 10.85*** |
Persistence:
0.981
Half-life:
37 days
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