V-Lab
Broadcom Inc GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
43.97%
decreased by 1.66%
1 Week
43.79%
decreased by 1.84%
1 Month
43.19%
decreased by 2.44%
Analysis last updated: Tuesday, August 25, 2026 at 09:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 6, 2009 to Aug 21, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 98% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1820 | 9.52*** |
α ARCH Response to squared shocks | 0.0464 | 9.65*** |
β GARCH Volatility persistence | 0.9029 | 129.16*** |
γ leverage Additional response to negative shocks | 0.0455 | 4.75*** |
Persistence:
0.972
Half-life:
24 days
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