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V-Lab

Lianhe Sowell International Group Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Monday, July 13th, 2026

1 Day

440.08%

increased by 1.07%

1 Week

443.52%

increased by 4.51%

1 Month

444.43%

increased by 5.42%

Analysis last updated: Friday, July 10, 2026 at 10:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Lianhe Sowell International Group Ltd S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 3, 2025 to Jul 10, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8832
1.69*
α

ARCH

Response to squared shocks

0.0319
0.93
β

GARCH

Volatility persistence

0.1956
0.24
γi Spline Coefficients
K=7
γ1-67.1400
-0.72
γ2100.7550
0.77
γ3-30.9724
-0.50
γ445.4896
0.78
γ5-147.1529
-2.03**
γ6191.6425
2.91***
γ7-133.1177
-3.12***

Persistence:

0.227

Half-life:

0 days