Skip to main content
V-Lab

Semilux International Ltd -Redh Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

1,961.57%

decreased by 191.53%

1 Week

2,003.33%

decreased by 149.77%

1 Month

2,159.49%

increased by 6.39%

Analysis last updated: Saturday, August 22, 2026 at 02:00 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Semilux International Ltd -Redh S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 28, 2022 to Aug 21, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 249 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1063
1.63
α

ARCH

Response to squared shocks

0.2537
3.04***
β

GARCH

Volatility persistence

0.7435
9.01***
γi Spline Coefficients
K=10
γ10.9492
0.05
γ2-17.3034
-0.43
γ374.1594
1.34
γ4-105.1698
-1.56
γ555.1422
1.11
γ6-11.8270
-0.45
γ77.1203
0.33
γ8-5.3020
-0.24
γ920.3752
0.77
γ10-34.2686
-1.34

Persistence:

0.997

Half-life:

249 days