V-Lab
AIM ImmunoTech Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
105.01%
decreased by 11.38%
1 Week
112.14%
decreased by 4.25%
1 Month
126.98%
increased by 10.59%
Analysis last updated: Friday, August 21, 2026 at 11:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 12, 1996 to Aug 21, 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 7 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7436 | 3.85*** |
α ARCH Response to squared shocks | 0.2494 | 8.29*** |
β GARCH Volatility persistence | 0.6594 | 20.16*** |
Spline Coefficients
K=9
| γ1 | 0.0664 | 0.93 |
| γ2 | -0.0377 | -0.36 |
| γ3 | 0.0120 | 0.13 |
| γ4 | -0.1334 | -1.13 |
| γ5 | 0.1596 | 1.46 |
| γ6 | -0.0907 | -1.15 |
| γ7 | 0.0008 | 0.01 |
| γ8 | 0.0829 | 1.39 |
| γ9 | -0.0960 | -2.14** |
Persistence:
0.909
Half-life:
7 days
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