Columbia Corporate Bond ETF MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
2.12%
decreased by 0.68%
1 Week
1.69%
decreased by 1.11%
1 Month
0.97%
decreased by 1.83%
Analysis last updated: Friday, October 23, 2026 at 02:23 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 11, 2025 to Oct 16, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 81 | |
| αARCH | 0.0019 | |
| βGARCH | 0.5253 | |
| γleverage | 0.4863 | |
| λ₁tau intercept | 0.0000 | |
| λ₂forecast adj. | 0.0007 | |
| λ₃tau persistence | 0.2363 |
0.770
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 81 | |
α ARCH Response to squared shocks | 0.0019 | |
β GARCH Volatility persistence | 0.5253 | |
γ leverage Additional response to negative shocks | 0.4863 | |
λ₁ tau intercept Baseline long-term coefficient | 0.0000 | |
λ₂ forecast adj. Forecast performance sensitivity | 0.0007 | |
λ₃ tau persistence Long-term factor persistence | 0.2363 |
Persistence:
0.770
Half-life:
3 days
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