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V-Lab

Strong H Machinery Technology Cayman Inc GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

22.61%

increased by 0.04%

1 Week

22.71%

increased by 0.14%

1 Month

23.09%

increased by 0.52%

Analysis last updated: Tuesday, July 14, 2026 at 08:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

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graph of Strong H Machinery Technology Cayman Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 9, 2016 to Jul 3, 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.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0281
8.10***
α

ARCH

Response to squared shocks

0.0605
9.79***
β

GARCH

Volatility persistence

0.9196
179.56***
γ

leverage

Additional response to negative shocks

0.0212
1.54

Persistence:

0.991

Half-life:

74 days