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V-Lab

Megachips Corp GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

54.60%

increased by 10.46%

1 Week

54.53%

increased by 10.39%

1 Month

54.29%

increased by 10.15%

Analysis last updated: Sunday, July 19, 2026 at 02:03 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Megachips Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 17, 1998 to Jul 17, 2026

Model Insight

This asset exhibits a notable leverage effect: negative returns increase next-day volatility 92% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1802
12.43***
α

ARCH

Response to squared shocks

0.0450
16.05***
β

GARCH

Volatility persistence

0.9178
300.63***
γ

leverage

Additional response to negative shocks

0.0413
5.58***

Persistence:

0.984

Half-life:

42 days