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Calidi Biotherapeutics Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

90.69%

decreased by 4.32%

1 Week

121.18%

increased by 26.17%

1 Month

200.28%

increased by 105.27%

Analysis last updated: Saturday, October 3, 2026 at 12:09 AM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Calidi Biotherapeutics Inc S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 10, 2021 to Oct 2, 2026

Model Insight

With persistence 0.998, volatility shocks have a half-life of 286 trading days (~1.1 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

High persistence: persistence 0.998, shock half-life ~286 days
ParamValuet-stat
ωconst0.4008
4.37***
αARCH0.4473
4.13***
βGARCH0.5503
5.09***
∑γi Spline Coefficients
K=9
γ115.8212
4.14***
γ2-22.5742
-3.84***
γ320.6952
2.65***
γ4-25.8246
-2.24**
γ511.0630
0.94
γ61.2678
0.13
γ7-0.4738
-0.05
γ80.5677
0.07
γ9-0.8247
-0.20

0.998

Persistence

286d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4008
4.37***
α

ARCH

Response to squared shocks

0.4473
4.13***
β

GARCH

Volatility persistence

0.5503
5.09***
∑γi Spline Coefficients
K=9
γ115.8212
4.14***
γ2-22.5742
-3.84***
γ320.6952
2.65***
γ4-25.8246
-2.24**
γ511.0630
0.94
γ61.2678
0.13
γ7-0.4738
-0.05
γ80.5677
0.07
γ9-0.8247
-0.20

Persistence:

0.998

Half-life:

286 days