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V-Lab

John Wiley & Sons Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

28.41%

decreased by 1.22%

1 Week

29.02%

decreased by 0.61%

1 Month

30.73%

increased by 1.10%

Analysis last updated: Friday, August 21, 2026 at 11:12 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of John Wiley & Sons Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 111% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2364
24.90***
α

ARCH

Response to squared shocks

0.0986
19.55***
β

GARCH

Volatility persistence

0.7959
148.79***
γ

leverage

Additional response to negative shocks

0.1093
11.57***

Persistence:

0.949

Half-life:

13 days