Skip to main content
V-Lab

Jiawei Renewable Energy Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

64.99%

increased by 6.41%

1 Week

64.70%

increased by 6.12%

1 Month

63.73%

increased by 5.15%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Jiawei Renewable Energy Co Ltd GAS-GARCH-T

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

Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days. Returns follow a Student-t distribution with v = 4.73 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

14.2330
5.41***
α

ARCH

Response to squared shocks

0.0808
20.03***
β

GARCH

Volatility persistence

0.9694
159.32***
ν

DF

Student-t tail thickness

4.7252
5.34***

Persistence:

0.969

Half-life:

22 days