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Columbia Corporate Bond ETF GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

4.73%

decreased by 0.15%

1 Week

4.71%

decreased by 0.17%

1 Month

4.68%

decreased by 0.20%

Analysis last updated: Friday, October 23, 2026 at 02:22 AM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

All

graph of Columbia Corporate Bond ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 11, 2025 to Oct 16, 2026

Model Insight

Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 14-day half-life
ParamValuet-stat
ωconst0.0042
1.17
αARCH0.0000
0.00
βGARCH0.8930
14.47***
γleverage0.1149
0.77

0.950

Persistence

14d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0042
1.17
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8930
14.47***
γ

leverage

Additional response to negative shocks

0.1149
0.77

Persistence:

0.950

Half-life:

14 days