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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Rivian Automotive Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 10, 2021 to Aug 21, 2026
Boundary 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

ParameterValuet-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