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V-Lab

PepsiCo Inc MEM Volatility Analysis

Volatility prediction for Tuesday, September 29th, 2026

1 Day

18.26%

decreased by 0.10%

1 Week

18.40%

increased by 0.04%

1 Month

18.90%

increased by 0.54%

Analysis last updated: Monday, September 28, 2026 at 09:30 PM UTC

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graph of PepsiCo 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 25, 2026

Model Insight

With persistence 0.992, volatility shocks have a half-life of 82 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

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High persistence: persistence 0.992, shock half-life ~82 days
ParamValuet-stat
ωconst0.0211
1.74*
αARCH0.1557
13.27***
βGARCH0.8359
92.74***

0.992

Persistence

82d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0211
1.74*
α

ARCH

Response to squared shocks

0.1557
13.27***
β

GARCH

Volatility persistence

0.8359
92.74***

Persistence:

0.992

Half-life:

82 days