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V-Lab

Jiawei Renewable Energy Co Ltd EGARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

59.06%

increased by 3.95%

1 Week

59.46%

increased by 4.35%

1 Month

60.68%

increased by 5.57%

Analysis last updated: Tuesday, July 14, 2026 at 06:22 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

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10Y ·

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graph of Jiawei Renewable Energy Co Ltd EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 11, 2012 to Jul 10, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 40% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1296
13.38***
α

ARCH

Response to squared shocks

0.2075
24.22***
β

GARCH

Volatility persistence

0.9534
265.86***
γ

leverage

Additional response to negative shocks

0.0345
4.89***

Persistence:

0.953

Half-life:

15 days