Tesla Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
44.70%
decreased by 0.53%
1 Week
44.99%
decreased by 0.24%
1 Month
46.04%
increased by 0.81%
Analysis last updated: Friday, October 23, 2026 at 10:44 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 29, 2010 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 61 trading days, meaning a shock loses half its impact after approximately 61 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 61-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1405 | 3.34*** |
| αARCH | 0.0307 | 2.62*** |
| βGARCH | 0.9577 | 103.69*** |
| γleverage | 0.0008 | 0.04 |
0.989
Persistence61d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1405 | 3.34*** |
α ARCH Response to squared shocks | 0.0307 | 2.62*** |
β GARCH Volatility persistence | 0.9577 | 103.69*** |
γ leverage Additional response to negative shocks | 0.0008 | 0.04 |
Persistence:
0.989
Half-life:
61 days
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