Columbia Research Enhanced Small Cap ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
138.37%
increased by 2.62%
1 Week
120.12%
decreased by 15.63%
1 Month
82.76%
decreased by 52.99%
Analysis last updated: Tuesday, July 14, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 11, 2025 to Jul 10, 2026Model Insight
The leverage effect is captured by the negative gamma (gamma = -0.1265), confirming that negative shocks increase volatility more than positive shocks of equal magnitude.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0051 | 0.43 |
α ARCH Response to squared shocks | -0.2622 | -9.43*** |
β GARCH Volatility persistence | 0.9622 | 118.67*** |
γ leverage Additional response to negative shocks | -0.1265 | -8.30*** |
Persistence:
0.962
Half-life:
18 days
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