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V-Lab

Ningbo Daye Garden Machinery Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

46.56%

decreased by 5.68%

1 Week

48.91%

decreased by 3.33%

1 Month

54.81%

increased by 2.57%

Analysis last updated: Saturday, August 22, 2026 at 07:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Ningbo Daye Garden Machinery Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 1, 2020 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days. Returns follow a Student-t distribution with v = 3.65 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

16.4238
5.02***
α

ARCH

Response to squared shocks

0.1403
18.41***
β

GARCH

Volatility persistence

0.9397
81.58***
ν

DF

Student-t tail thickness

3.6474
8.97***

Persistence:

0.940

Half-life:

11 days