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BondBloxx CCC-Rated USD High Yield Corporate Bond ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 29th, 2026

1 Day

8.65%

increased by 0.27%

1 Week

8.70%

increased by 0.32%

1 Month

8.86%

increased by 0.48%

Analysis last updated: Monday, September 28, 2026 at 09:57 PM UTC

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graph of BondBloxx CCC-Rated USD High Yield Corporate Bond ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 26, 2022 to Sep 25, 2026

Model Insight

Volatility shocks decay with a half-life of 45 trading days, meaning a shock loses half its impact after approximately 45 days.

σ

GJR-GARCH Model

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Shock decay: Shocks decay with a 45-day half-life
ParamValuet-stat
ωconst0.0062
1.96*
αARCH0.0432
1.74*
βGARCH0.8580
26.04***
γleverage0.1667
1.47

0.985

Persistence

45d

Half-life
σ

GJR-GARCH Model

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ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0062
1.96*
α

ARCH

Response to squared shocks

0.0432
1.74*
β

GARCH

Volatility persistence

0.8580
26.04***
γ

leverage

Additional response to negative shocks

0.1667
1.47

Persistence:

0.985

Half-life:

45 days