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V-Lab

Shenzhen Zhaowei Machinery & Electronic Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

95.62%

unchanged at 0.00%

1 Week

95.62%

unchanged at 0.00%

1 Month

95.62%

unchanged at 0.00%

Analysis last updated: Wednesday, August 5, 2026 at 06:51 PM UTC

Date Range:

from

to

6M ·

All

graph of Shenzhen Zhaowei Machinery & Electronic Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 9, 2026 to Jul 31, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 108 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 5.58 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

36.2854
0.27
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9936
1.45
ν

DF

Student-t tail thickness

5.5783
0.16

Persistence:

0.994

Half-life:

108 days