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V-Lab

Zhejiang E-P Equipment Co GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

27.75%

decreased by 0.25%

1 Week

32.35%

increased by 4.35%

1 Month

35.45%

increased by 7.45%

Analysis last updated: Tuesday, August 25, 2026 at 06:05 PM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Zhejiang E-P Equipment Co GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 24, 2024 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.8213
12.50***
α

ARCH

Response to squared shocks

0.2680
8.53***
β

GARCH

Volatility persistence

0.3522
9.61***
γ

leverage

Additional response to negative shocks

0.0718
1.13

Persistence:

0.656

Half-life:

2 days