Skip to main content
V-Lab

CH Biotech R&D Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

159.01%

increased by 23.74%

1 Week

165.99%

increased by 30.72%

1 Month

188.80%

increased by 53.53%

Analysis last updated: Wednesday, August 5, 2026 at 08:26 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CH Biotech R&D Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 2, 2015 to Jul 31, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.03 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

365.4628
2.35**
α

ARCH

Response to squared shocks

0.1692
94.74***
β

GARCH

Volatility persistence

0.9828
136.13***
ν

DF

Student-t tail thickness

2.0259
1,376.30***

Persistence:

0.983

Half-life:

40 days