V-Lab
Calidi Biotherapeutics Inc MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
71.03%
1 Week
98.40%
1 Month
459.11%
Analysis last updated: Monday, September 14, 2026 at 09:59 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 10, 2021 to Sep 11, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 3448 trading days (~13.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Inverse leverage: Positive returns increase volatility 354% more than negative returns
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.6413 | 3.76*** |
| βGARCH | 0.6085 | 8.24*** |
| γleverage | -0.5000 | -2.16** |
| λ₁tau intercept | 10.0000 | 1.02 |
| λ₂forecast adj. | 0.0873 | 1.51 |
| λ₃tau persistence | 0.9127 | 18.06*** |
1.000
Persistence3448d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.6413 | 3.76*** |
β GARCH Volatility persistence | 0.6085 | 8.24*** |
γ leverage Additional response to negative shocks | -0.5000 | -2.16** |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 1.02 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0873 | 1.51 |
λ₃ tau persistence Long-term factor persistence | 0.9127 | 18.06*** |
Persistence:
1.000
Half-life:
3448 days
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