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V-Lab

Pngs Reva Diamond Jewellery Ltd MEM Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

118.96%

increased by 29.03%

1 Week

113.41%

increased by 23.48%

1 Month

99.67%

increased by 9.74%

Analysis last updated: Wednesday, August 5, 2026 at 07:08 PM UTC

Date Range:

from

to

6M ·

All

graph of Pngs Reva Diamond Jewellery Ltd MEM

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

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.4013
1.77*
α

ARCH

Response to squared shocks

0.1565
2.23**
β

GARCH

Volatility persistence

0.7508
15.75***

Persistence:

0.907

Half-life:

7 days