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V-Lab

Caterpillar Inc MEM Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

32.42%

decreased by 0.51%

1 Week

32.42%

decreased by 0.51%

1 Month

32.43%

decreased by 0.50%

Analysis last updated: Friday, September 4, 2026 at 10:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Caterpillar Inc MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 26 trading days, meaning a shock loses half its impact after approximately 26 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 26-day half-life
ParamValuet-stat
ωconst0.1095
2.93***
αARCH0.1625
11.03***
βGARCH0.8114
83.74***

0.974

Persistence

26d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1095
2.93***
α

ARCH

Response to squared shocks

0.1625
11.03***
β

GARCH

Volatility persistence

0.8114
83.74***

Persistence:

0.974

Half-life:

26 days