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V-Lab
V-Lab

Pngs Reva Diamond Jewellery Ltd MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

23.64%

increased by 5.22%

1 Week

22.53%

increased by 4.11%

1 Month

22.49%

increased by 4.07%

Analysis last updated: Saturday, September 19, 2026 at 10:35 PM UTC

Date Range:

from

to

6M ·

All

graph of Pngs Reva Diamond Jewellery Ltd MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 4, 2026 to Sep 18, 2026
Boundary Parameters

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

MF2-GARCH Model

Tap to view equation

Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
mwindow66
αARCH0.5000
500.00***
βGARCH0.0000
0.04
γleverage-0.5000
-324.68***
λ₁tau intercept0.0000
0.00
λ₂forecast adj.0.0362
6.47***
λ₃tau persistence0.8899
200.71***

0.250

Persistence

1d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

66
α

ARCH

Response to squared shocks

0.5000
500.00***
β

GARCH

Volatility persistence

0.0000
0.04
γ

leverage

Additional response to negative shocks

-0.5000
-324.68***
λ₁

tau intercept

Baseline long-term coefficient

0.0000
0.00
λ₂

forecast adj.

Forecast performance sensitivity

0.0362
6.47***
λ₃

tau persistence

Long-term factor persistence

0.8899
200.71***

Persistence:

0.250

Half-life:

1 days