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V-Lab
V-Lab

Range International Limited 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, September 2nd, 2026

1 Day

245.37%

decreased by 2.20%

1 Week

245.49%

decreased by 2.08%

1 Month

246.00%

decreased by 1.57%

Analysis last updated: Wednesday, September 2, 2026 at 05:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Range International Limited MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 22, 2016 to Aug 21, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

μ

MEM Model

Tap to view equation

High persistence: persistence 1.000 ≥ 1, shocks do not decay
ParamValuet-stat
ωconst0.1244
0.52
αARCH0.0425
2.65***
βGARCH0.9575
64.11***

1.000

Persistence

-

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1244
0.52
α

ARCH

Response to squared shocks

0.0425
2.65***
β

GARCH

Volatility persistence

0.9575
64.11***

Persistence:

1.000

Half-life:

-