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V-Lab

Range International Limited Asy. MEM Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Wednesday, August 12th, 2026

1 Day

253.43%

decreased by 5.33%

1 Week

253.55%

decreased by 5.21%

1 Month

254.01%

decreased by 4.75%

Analysis last updated: Wednesday, August 12, 2026 at 06:07 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Range International Limited AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 22, 2016 to Jul 3, 2026

Model Insight

With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1178
12.05***
α

ARCH

Response to squared shocks

0.0458
9.12***
β

GARCH

Volatility persistence

0.9581
323.24***
γ

leverage

Additional response to negative shocks

-0.0078
-0.96

Persistence:

1.000

Half-life:

1386294 days