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V-Lab

C3.ai Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, November 4th, 2026

1 Day

54.49%

decreased by 2.41%

1 Week

55.08%

decreased by 1.82%

1 Month

57.37%

increased by 0.47%

Analysis last updated: Tuesday, November 3, 2026 at 10:34 PM UTC

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Date Range:

from

11/03/2024

to

11/03/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of C3.ai Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 9, 2020 to Oct 30, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 672 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.03 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

High persistence: persistence 0.999, shock half-life ~672 daysv = 4.03 · fat tails
ParamValuet-stat
ωlong-run137.5252
2.01**
αscore0.0533
9.22***
βpersistence0.9990
1,290.66***
νDF4.0325
4.90***

0.999

Persistence

672d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

137.5252
2.01**
α

score

Weight on the scaled score

0.0533
9.22***
β

persistence

Volatility persistence

0.9990
1,290.66***
ν

DF

Student-t tail thickness

4.0325
4.90***

Persistence:

0.999

Half-life:

672 days