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V-Lab

Semilux International Ltd -Redh GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Monday, July 13th, 2026

1 Day

439.89%

increased by 11.75%

1 Week

439.94%

increased by 11.80%

1 Month

440.15%

increased by 12.01%

Analysis last updated: Saturday, July 11, 2026 at 09:32 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Semilux International Ltd -Redh GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 28, 2022 to Jul 10, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0895
8.59***
α

ARCH

Response to squared shocks

0.0406
2.49**
β

GARCH

Volatility persistence

0.8857
49.37***
γ

leverage

Additional response to negative shocks

0.1475
1.56

Persistence:

1.000

Half-life:

-