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V-Lab
V-Lab

Jiangsu Ankura Intelligent Power Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

41.77%

increased by 3.85%

1 Week

42.88%

increased by 4.96%

1 Month

46.38%

increased by 8.46%

Analysis last updated: Saturday, September 19, 2026 at 07:50 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Jiangsu Ankura Intelligent Power Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 28, 2017 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days. Returns follow a Student-t distribution with v = 4.15 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 25-day half-lifev = 4.15 · fat tails
ParamValuet-stat
ωconst13.8424
0.87
αARCH0.1080
5.35***
βGARCH0.9724
28.30***
νDF4.1542
1.92*

0.972

Persistence

25d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

13.8424
0.87
α

ARCH

Response to squared shocks

0.1080
5.35***
β

GARCH

Volatility persistence

0.9724
28.30***
ν

DF

Student-t tail thickness

4.1542
1.92*

Persistence:

0.972

Half-life:

25 days