V-Lab
Pacer S&P 500 Quality FCF R&D Leaders ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
19.61%
unchanged at 0.00%
1 Week
19.61%
unchanged at 0.00%
1 Month
19.61%
unchanged at 0.00%
Analysis last updated: Wednesday, August 26, 2026 at 02:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 14, 2026 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days. Returns follow a Student-t distribution with v = 61.19 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 | 1.5255 | 0.55 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8114 | 0.09 |
ν DF Student-t tail thickness | 61.1936 | 0.01 |
Persistence:
0.811
Half-life:
3 days
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