V-Lab
Calidi Biotherapeutics Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
141.88%
increased by 4.39%
1 Week
184.16%
increased by 46.67%
1 Month
297.21%
increased by 159.72%
Analysis last updated: Tuesday, August 25, 2026 at 09:53 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 10, 2021 to Aug 21, 2026Model Insight
With persistence 0.998, volatility shocks have a half-life of 351 trading days (~1.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3787 | 5.54*** |
α ARCH Response to squared shocks | 0.4707 | 4.08*** |
β GARCH Volatility persistence | 0.5273 | 4.56*** |
Spline Coefficients
K=8
| γ1 | 10.4538 | 2.40** |
| γ2 | -13.2816 | -2.05** |
| γ3 | 12.9103 | 2.81*** |
| γ4 | -24.0043 | -7.54*** |
| γ5 | 18.9368 | 4.66*** |
| γ6 | -8.6516 | -2.19** |
| γ7 | 7.4818 | 2.67*** |
| γ8 | -5.6158 | -2.31** |
Persistence:
0.998
Half-life:
351 days
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