V-Lab
Calidi Biotherapeutics Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
270.15%
decreased by 8.87%
1 Week
348.88%
increased by 69.86%
1 Month
561.25%
increased by 282.23%
Analysis last updated: Wednesday, August 5, 2026 at 09:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 10, 2021 to Jul 31, 2026Model Insight
With persistence 0.999, volatility shocks have a half-life of 539 trading days (~2.1 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 | 0.3731 | 6.60*** |
α ARCH Response to squared shocks | 0.4499 | 4.14*** |
β GARCH Volatility persistence | 0.5488 | 5.05*** |
Spline Coefficients
K=10
| γ1 | 16.9967 | 2.53** |
| γ2 | -20.0892 | -1.44 |
| γ3 | 7.2434 | 0.40 |
| γ4 | 4.3550 | 0.23 |
| γ5 | -25.1017 | -2.35** |
| γ6 | 19.2146 | 2.19** |
| γ7 | 0.9529 | 0.08 |
| γ8 | -15.8183 | -1.44 |
| γ9 | 34.9500 | 2.59*** |
| γ10 | -35.3815 | -2.59*** |
Persistence:
0.999
Half-life:
539 days
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