Columbia Research Enhanced Small Cap ETF AGARCH Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
17.90%
unchanged at 0.00%
1 Week
17.90%
unchanged at 0.00%
1 Month
17.90%
unchanged at 0.00%
Analysis last updated: Tuesday, July 21, 2026 at 09:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 11, 2025 to Jul 17, 2026Model Insight
Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0594 | 3.89*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9533 | 64.21*** |
γ leverage Additional response to negative shocks | -0.0072 | -0.09 |
Persistence:
0.953
Half-life:
14 days
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