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V-Lab

VT Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

66.41%

decreased by 1.24%

1 Week

66.58%

decreased by 1.07%

1 Month

67.26%

decreased by 0.39%

Analysis last updated: Wednesday, August 26, 2026 at 09:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of VT Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 19, 2001 to Aug 21, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 204 trading days (~0.8 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

0.1056
12.09***
α

ARCH

Response to squared shocks

0.0688
18.19***
β

GARCH

Volatility persistence

0.9321
285.13***
γ

leverage

Additional response to negative shocks

-0.0085
-1.22

Persistence:

0.997

Half-life:

204 days