V-Lab
Calamos Autocallable INM ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
11.19%
decreased by 0.26%
1 Week
11.61%
increased by 0.16%
1 Month
11.84%
increased by 0.39%
Analysis last updated: Friday, September 18, 2026 at 10:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 25, 2025 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.2457 | 1.14 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.4834 | 1.41 |
| γleverage | 0.1607 | 0.65 |
0.564
Persistence1d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2457 | 1.14 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.4834 | 1.41 |
γ leverage Additional response to negative shocks | 0.1607 | 0.65 |
Persistence:
0.564
Half-life:
1 days
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