V-Lab
Janus Henderson B-BBB CLO ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 18th, 2026
1 Day
3.79%
increased by 0.45%
1 Week
3.98%
increased by 0.64%
1 Month
4.59%
increased by 1.25%
Analysis last updated: Monday, August 17, 2026 at 09:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 12, 2022 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 33 trading days, meaning a shock loses half its impact after approximately 33 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2025 | 3.15*** |
α ARCH Response to squared shocks | 0.1025 | 43.17*** |
β GARCH Volatility persistence | 0.9793 | 157.80*** |
ν DF Student-t tail thickness | 2.2573 | 95.35*** |
Persistence:
0.979
Half-life:
33 days
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