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V-Lab

Nanjing Vazyme Biotech Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

69.85%

decreased by 6.19%

1 Week

69.91%

decreased by 6.13%

1 Month

70.11%

decreased by 5.93%

Analysis last updated: Tuesday, July 14, 2026 at 06:09 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Nanjing Vazyme Biotech Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 15, 2021 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 54 trading days, meaning a shock loses half its impact after approximately 54 days. Returns follow a Student-t distribution with v = 4.26 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

20.5788
4.25***
α

ARCH

Response to squared shocks

0.1049
30.57***
β

GARCH

Volatility persistence

0.9873
376.10***
ν

DF

Student-t tail thickness

4.2556
11.43***

Persistence:

0.987

Half-life:

54 days