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V-Lab

Bristol-Myers Squibb Co GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

32.12%

increased by 2.80%

1 Week

32.01%

increased by 2.69%

1 Month

31.59%

increased by 2.27%

Analysis last updated: Wednesday, August 5, 2026 at 09:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Bristol-Myers Squibb Co GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 60 trading days, meaning a shock loses half its impact after approximately 60 days. Returns follow a Student-t distribution with v = 4.90 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

2.8401
4.43***
α

ARCH

Response to squared shocks

0.0554
27.76***
β

GARCH

Volatility persistence

0.9886
367.49***
ν

DF

Student-t tail thickness

4.8956
7.73***

Persistence:

0.989

Half-life:

60 days