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V-Lab

Regencell Bioscience Hol Ltd MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

98.30%

decreased by 0.56%

1 Week

102.63%

increased by 3.77%

1 Month

115.62%

increased by 16.76%

Analysis last updated: Tuesday, September 8, 2026 at 10:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Regencell Bioscience Hol Ltd MF2-GARCH

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

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

MF2-GARCH Model

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Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
mwindow81
αARCH0.0051
0.38
βGARCH0.8908
11.02***
γleverage0.0495
2.06**
λ₁tau intercept0.6251
2.63***
λ₂forecast adj.1.0000
9.43***
λ₃tau persistence0.0000
0.00

0.921

Persistence

8d

Half-life
σ

MF2-GARCH Model

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ParameterValuet-statistic
m

window

Rolling window length

81
α

ARCH

Response to squared shocks

0.0051
0.38
β

GARCH

Volatility persistence

0.8908
11.02***
γ

leverage

Additional response to negative shocks

0.0495
2.06**
λ₁

tau intercept

Baseline long-term coefficient

0.6251
2.63***
λ₂

forecast adj.

Forecast performance sensitivity

1.0000
9.43***
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.921

Half-life:

8 days