Skip to main content
V-Lab

Chinyang Poly Urethane Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

43.39%

decreased by 1.09%

1 Week

44.77%

increased by 0.29%

1 Month

49.69%

increased by 5.21%

Analysis last updated: Tuesday, August 25, 2026 at 07:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Chinyang Poly Urethane Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 1990 to Aug 21, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 106 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Inverse leverage: Positive returns increase volatility 37% more than negative returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2910
17.97***
α

ARCH

Response to squared shocks

0.1868
27.30***
β

GARCH

Volatility persistence

0.8317
203.80***
γ

leverage

Additional response to negative shocks

-0.0500
-4.57***

Persistence:

0.994

Half-life:

106 days