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V-Lab

Sam Holdings Corporation MEM Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

29.29%

decreased by 1.63%

1 Week

29.66%

decreased by 1.26%

1 Month

31.04%

increased by 0.12%

Analysis last updated: Wednesday, August 5, 2026 at 08:32 PM UTC

Date Range:

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to

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graph of Sam Holdings Corporation MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 18, 2008 to Jul 31, 2026

Model Insight

With persistence 0.993, volatility shocks have a half-life of 93 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0693
5.89***
α

ARCH

Response to squared shocks

0.1445
34.77***
β

GARCH

Volatility persistence

0.8481
194.11***

Persistence:

0.993

Half-life:

93 days