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V-Lab

Regentis Biomaterials Ltd GJR-GARCH Volatility Analysis

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

Volatility prediction for Monday, August 24th, 2026

1 Day

107.70%

decreased by 12.79%

1 Week

117.51%

decreased by 2.98%

1 Month

150.46%

increased by 29.97%

Analysis last updated: Friday, August 21, 2026 at 11:17 PM UTC

Date Range:

from

to

6M ·

All

graph of Regentis Biomaterials Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 4, 2025 to Aug 21, 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.

Leverage: volatility responds almost entirely to negative shocks

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

4.3807
4.00***
α

ARCH

Response to squared shocks

0.0663
3.95***
β

GARCH

Volatility persistence

0.7188
27.12***
γ

leverage

Additional response to negative shocks

0.4299
2.63***

Persistence:

1.000

Half-life:

1386294 days