V-Lab
GraniteShares HIPS US High Income ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
8.94%
decreased by 0.56%
1 Week
9.51%
increased by 0.01%
1 Month
11.12%
increased by 1.62%
Analysis last updated: Tuesday, July 28, 2026 at 02:23 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2015 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days. Returns follow a Student-t distribution with v = 5.72 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 | 0.9063 | 10.03*** |
α ARCH Response to squared shocks | 0.1161 | 27.85*** |
β GARCH Volatility persistence | 0.9633 | 252.78*** |
ν DF Student-t tail thickness | 5.7208 | 7.17*** |
Persistence:
0.963
Half-life:
19 days
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