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V-Lab

Datamatics Global Services Asy. MEM Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

40.74%

decreased by 1.87%

1 Week

42.06%

decreased by 0.55%

1 Month

45.90%

increased by 3.29%

Analysis last updated: Tuesday, July 21, 2026 at 07:02 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Datamatics Global Services AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 1, 2004 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4907
22.51***
α

ARCH

Response to squared shocks

0.1329
27.68***
β

GARCH

Volatility persistence

0.8271
174.57***
γ

leverage

Additional response to negative shocks

-0.0006
-0.07

Persistence:

0.960

Half-life:

17 days