V-Lab
Rivian Automotive Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
74.40%
increased by 5.42%
1 Week
75.37%
increased by 6.39%
1 Month
76.59%
increased by 7.61%
Analysis last updated: Friday, August 21, 2026 at 10:09 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 10, 2021 to Aug 21, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 12.53*** |
α ARCH Response to squared shocks | 0.1418 | 7.36*** |
β GARCH Volatility persistence | 0.6440 | 26.99*** |
γ leverage Additional response to negative shocks | 0.0058 | 0.20 |
Persistence:
0.789
Half-life:
3 days
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