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V-Lab

Yw Co Ltd GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Tuesday, July 14th, 2026

1 Day

49.57%

decreased by 2.33%

1 Week

49.87%

decreased by 2.03%

1 Month

51.07%

decreased by 0.83%

Analysis last updated: Tuesday, July 14, 2026 at 07:43 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Yw Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 11, 2003 to Jul 10, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Inverse leverage: Positive returns increase volatility 23% more than negative returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0600
14.23***
α

ARCH

Response to squared shocks

0.1034
24.88***
β

GARCH

Volatility persistence

0.9064
351.30***
γ

leverage

Additional response to negative shocks

-0.0196
-2.90***

Persistence:

1.000

Half-life:

1386294 days