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Regencell Bioscience Hol Ltd MEM Volatility Analysis

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

Volatility prediction for Tuesday, September 8th, 2026

1 Day

134.14%

increased by 2.72%

1 Week

134.15%

increased by 2.73%

1 Month

134.21%

increased by 2.79%

Analysis last updated: Friday, September 4, 2026 at 10:15 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Regencell Bioscience Hol Ltd MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 9, 2002 to Sep 4, 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
ωconst0.0071
0.11
αARCH0.0332
3.05***
βGARCH0.9668
52.89***

1.000

Persistence

-

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0071
0.11
α

ARCH

Response to squared shocks

0.0332
3.05***
β

GARCH

Volatility persistence

0.9668
52.89***

Persistence:

1.000

Half-life:

-