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V-Lab
V-Lab

International Business Machines Corp MEM Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

46.33%

increased by 0.99%

1 Week

45.99%

increased by 0.65%

1 Month

44.74%

decreased by 0.60%

Analysis last updated: Saturday, September 12, 2026 at 12:11 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of International Business Machines Corp MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 50 trading days, meaning a shock loses half its impact after approximately 50 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 50-day half-life
ParamValuet-stat
ωconst0.0551
2.07**
αARCH0.2046
12.80***
βGARCH0.7816
80.46***

0.986

Persistence

50d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0551
2.07**
α

ARCH

Response to squared shocks

0.2046
12.80***
β

GARCH

Volatility persistence

0.7816
80.46***

Persistence:

0.986

Half-life:

50 days