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V-Lab

Bristol-Myers Squibb Co MEM Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

22.63%

decreased by 0.96%

1 Week

22.85%

decreased by 0.74%

1 Month

23.61%

increased by 0.02%

Analysis last updated: Friday, September 18, 2026 at 11:12 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Bristol-Myers Squibb Co MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 41 trading days, meaning a shock loses half its impact after approximately 41 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 41-day half-life
ParamValuet-stat
ωconst0.0536
2.40**
αARCH0.1512
11.25***
βGARCH0.8323
84.69***

0.983

Persistence

41d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0536
2.40**
α

ARCH

Response to squared shocks

0.1512
11.25***
β

GARCH

Volatility persistence

0.8323
84.69***

Persistence:

0.983

Half-life:

41 days