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V-Lab

Semilux International Ltd -Redh EGARCH Volatility Analysis

Volatility prediction for Friday, August 14th, 2026

1 Day

1,966.74%

decreased by 408.00%

1 Week

2,187.04%

decreased by 187.70%

1 Month

3,437.07%

increased by 1,062.33%

Analysis last updated: Friday, August 14, 2026 at 09:10 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Semilux International Ltd -Redh EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 28, 2022 to Aug 7, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 74 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 99% more than positive returns

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1918
11.08***
α

ARCH

Response to squared shocks

0.6266
14.36***
β

GARCH

Volatility persistence

0.9907
592.16***
γ

leverage

Additional response to negative shocks

-0.2072
-5.07***

Persistence:

0.991

Half-life:

74 days