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V-Lab

Tianjin Pengling Rubber Hose Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

32.44%

decreased by 2.44%

1 Week

34.04%

decreased by 0.84%

1 Month

39.01%

increased by 4.13%

Analysis last updated: Tuesday, August 25, 2026 at 06:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tianjin Pengling Rubber Hose Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 27, 2014 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 28 trading days, meaning a shock loses half its impact after approximately 28 days. Returns follow a Student-t distribution with v = 4.86 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

13.1120
4.44***
α

ARCH

Response to squared shocks

0.1220
25.38***
β

GARCH

Volatility persistence

0.9758
171.59***
ν

DF

Student-t tail thickness

4.8558
8.48***

Persistence:

0.976

Half-life:

28 days