V-Lab
Tesla Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
55.01%
increased by 0.96%
1 Week
55.04%
increased by 0.99%
1 Month
55.17%
increased by 1.12%
Analysis last updated: Friday, August 21, 2026 at 10:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 29, 2010 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 63 trading days, meaning a shock loses half its impact after approximately 63 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1381 | 13.31*** |
α ARCH Response to squared shocks | 0.0303 | 10.40*** |
β GARCH Volatility persistence | 0.9584 | 420.54*** |
γ leverage Additional response to negative shocks | 0.0009 | 0.18 |
Persistence:
0.989
Half-life:
63 days
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