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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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Softbank Group Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 16, 2000 to Jul 31, 2026

Model 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

ParameterValuet-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