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V-Lab

Calidi Biotherapeutics Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 18th, 2026

1 Day

209.27%

increased by 80.12%

1 Week

235.87%

increased by 106.72%

1 Month

319.90%

increased by 190.75%

Analysis last updated: Monday, August 17, 2026 at 09:52 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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 Aug 14, 2026

Model Insight

With persistence 0.998, volatility shocks have a half-life of 331 trading days (~1.3 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3767
5.32***
α

ARCH

Response to squared shocks

0.4711
4.10***
β

GARCH

Volatility persistence

0.5268
4.57***
γi Spline Coefficients
K=8
γ111.0212
2.59***
γ2-14.3222
-2.29**
γ313.9266
3.21***
γ4-24.7979
-7.66***
γ519.1728
4.49***
γ6-8.6869
-2.15**
γ77.4945
2.40**
γ8-5.4708
-1.84*

Persistence:

0.998

Half-life:

331 days