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V-Lab

International Business Machines Corp GARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

39.27%

decreased by 1.00%

1 Week

39.08%

decreased by 1.19%

1 Month

38.36%

decreased by 1.91%

Analysis last updated: Friday, September 4, 2026 at 10:56 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of International Business Machines Corp GARCH

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 66 trading days, meaning a shock loses half its impact after approximately 66 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0336
3.18***
α

ARCH

Response to squared shocks

0.0436
7.13***
β

GARCH

Volatility persistence

0.9460
120.68***

Persistence:

0.990

Half-life:

66 days