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V-Lab

Lianhe Sowell International Group Ltd EGARCH Volatility Analysis

Volatility prediction for Monday, July 13th, 2026

1 Day

430.05%

increased by 9.51%

1 Week

444.81%

increased by 24.27%

1 Month

512.04%

increased by 91.50%

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 EGARCH

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

With persistence 0.999, volatility shocks have a half-life of 474 trading days (~1.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0429
0.90
α

ARCH

Response to squared shocks

0.1311
4.83***
β

GARCH

Volatility persistence

0.9985
110.76***
γ

leverage

Additional response to negative shocks

-0.0233
-0.94

Persistence:

0.999

Half-life:

474 days