V-Lab
Janus Henderson B-BBB CLO ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
3.38%
increased by 0.05%
1 Week
3.60%
increased by 0.27%
1 Month
4.26%
increased by 0.93%
Analysis last updated: Tuesday, September 8, 2026 at 10:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 12, 2022 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days. Returns follow a Student-t distribution with v = 2.26 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 34-day half-lifev = 2.26 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1928 | 0.80 |
| αARCH | 0.1009 | 10.75*** |
| βGARCH | 0.9796 | 40.39*** |
| νDF | 2.2647 | 23.28*** |
0.980
Persistence34d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1928 | 0.80 |
α ARCH Response to squared shocks | 0.1009 | 10.75*** |
β GARCH Volatility persistence | 0.9796 | 40.39*** |
ν DF Student-t tail thickness | 2.2647 | 23.28*** |
Persistence:
0.980
Half-life:
34 days
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