C3.ai Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, November 4th, 2026
1 Day
54.49%
1 Week
55.08%
1 Month
57.37%
Analysis last updated: Tuesday, November 3, 2026 at 10:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 9, 2020 to Oct 30, 2026Model 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.
GAS-GARCH-T Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 137.5252 | 2.01** |
| αscore | 0.0533 | 9.22*** |
| βpersistence | 0.9990 | 1,290.66*** |
| νDF | 4.0325 | 4.90*** |
0.999
Persistence672d
Half-lifeGAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-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
Other GAS-GARCH Student T Analyses on Equities