V-Lab
Calamos Nasdaq Autocallable Income ETF Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
12.55%
decreased by 0.27%
1 Week
12.62%
decreased by 0.20%
1 Month
12.80%
decreased by 0.02%
Analysis last updated: Friday, July 24, 2026 at 09:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 20, 2025 to Jul 24, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 13 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0761 | 3.79*** |
α ARCH Response to squared shocks | 0.0782 | 1.29 |
β GARCH Volatility persistence | 0.8697 | 11.14*** |
Spline Coefficients
K=1
| γ1 | 0.3295 | 0.26 |
Persistence:
0.948
Half-life:
13 days
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