V-Lab
Softbank Group Corp GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
68.49%
increased by 2.54%
1 Week
68.17%
increased by 2.22%
1 Month
66.98%
increased by 1.03%
Analysis last updated: Wednesday, August 5, 2026 at 06:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 16, 2000 to Jul 31, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 47% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1751 | 13.38*** |
α ARCH Response to squared shocks | 0.0782 | 18.82*** |
β GARCH Volatility persistence | 0.8891 | 268.45*** |
γ leverage Additional response to negative shocks | 0.0371 | 4.87*** |
Persistence:
0.986
Half-life:
49 days
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