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V-Lab

PSK Inc GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

81.53%

increased by 3.89%

1 Week

79.98%

increased by 2.34%

1 Month

75.32%

decreased by 2.32%

Analysis last updated: Sunday, August 23, 2026 at 01:03 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of PSK Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 10, 2019 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 119% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8124
8.56***
α

ARCH

Response to squared shocks

0.0599
10.05***
β

GARCH

Volatility persistence

0.8541
118.54***
γ

leverage

Additional response to negative shocks

0.0710
3.87***

Persistence:

0.949

Half-life:

13 days