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V-Lab
V-Lab

Guangdong Tianyu Semiconductor Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

48.07%

decreased by 0.49%

1 Week

51.14%

increased by 2.58%

1 Month

56.34%

increased by 7.78%

Analysis last updated: Wednesday, September 16, 2026 at 07:25 PM UTC

Date Range:

from

to

6M ·

All

graph of Guangdong Tianyu Semiconductor Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 5, 2025 to Sep 14, 2026

Model Insight

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-life
ParamValuet-stat
ωconst1.9012
1.72*
αARCH0.1815
1.11
βGARCH0.7770
8.66***
γleverage-0.1815
-1.22

0.868

Persistence

5d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9012
1.72*
α

ARCH

Response to squared shocks

0.1815
1.11
β

GARCH

Volatility persistence

0.7770
8.66***
γ

leverage

Additional response to negative shocks

-0.1815
-1.22

Persistence:

0.868

Half-life:

5 days