V-Lab
Calamos Autocallable INM ETF EGARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
13.08%
increased by 0.66%
1 Week
12.36%
decreased by 0.06%
1 Month
11.87%
decreased by 0.55%
Analysis last updated: Wednesday, September 16, 2026 at 02:45 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 25, 2025 to Sep 11, 2026Model Insight
The leverage effect is captured by the negative gamma (gamma = -0.2309), confirming that negative shocks increase volatility more than positive shocks of equal magnitude.
σ
EGARCH Model
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Asymmetry: Negative shocks have larger impact on volatility (leverage effect)
| Param | Value | t-stat |
|---|---|---|
| ωconst | -0.2276 | -1.97** |
| αARCH | -0.0977 | -0.77 |
| βGARCH | 0.6286 | 4.20*** |
| γleverage | -0.2309 | -2.90*** |
0.629
Persistence1d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.2276 | -1.97** |
α ARCH Response to squared shocks | -0.0977 | -0.77 |
β GARCH Volatility persistence | 0.6286 | 4.20*** |
γ leverage Additional response to negative shocks | -0.2309 | -2.90*** |
Persistence:
0.629
Half-life:
1 days
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