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V-Lab

Range International Limited GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

81.53%

increased by 26.38%

1 Week

81.45%

increased by 26.30%

1 Month

81.13%

increased by 25.98%

Analysis last updated: Tuesday, July 14, 2026 at 05:51 PM UTC

Date Range:

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6M ·

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graph of Range International Limited GAS-GARCH-T

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 0.999, volatility shocks have a half-life of 693 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 4.75 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
α

ARCH

Response to squared shocks

0.1656
288.54***
β

GARCH

Volatility persistence

0.9990
ν

DF

Student-t tail thickness

4.7485
232.46***

Persistence:

0.999

Half-life:

693 days