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V-Lab

Columbia Corporate Bond ETF GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

4.74%

decreased by 0.31%

1 Week

4.70%

decreased by 0.35%

1 Month

4.59%

decreased by 0.46%

Analysis last updated: Saturday, July 25, 2026 at 02:23 AM UTC

Date Range:

from

to

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 Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 10 trading days, meaning a shock loses half its impact after approximately 10 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0054
5.17***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8252
43.64***
γ

leverage

Additional response to negative shocks

0.2090
4.48***

Persistence:

0.930

Half-life:

10 days