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V-Lab

Pngs Reva Diamond Jewellery Ltd MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

162.32%

increased by 113.16%

1 Week

88.84%

increased by 39.68%

1 Month

52.80%

increased by 3.64%

Analysis last updated: Wednesday, August 5, 2026 at 07:09 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 Jul 31, 2026

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

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.5000
12.68***
β

GARCH

Volatility persistence

0.0000
0.00
γ

leverage

Additional response to negative shocks

-0.5000
-13.00***
λ₁

tau intercept

Baseline long-term coefficient

4.7248
0.03
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.250

Half-life:

1 days