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V-Lab
V-Lab

Pngs Reva Diamond Jewellery Ltd GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

52.33%

decreased by 6.27%

1 Week

51.74%

decreased by 6.86%

1 Month

51.43%

decreased by 7.17%

Analysis last updated: Friday, September 11, 2026 at 07:50 PM UTC

Date Range:

from

to

6M ·

All

graph of Pngs Reva Diamond Jewellery Ltd GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 4, 2026 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 1-day half-life
ParamValuet-stat
ωconst5.0000
2.16**
αARCH0.2461
1.46
βGARCH0.2756
1.06

0.522

Persistence

1d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
2.16**
α

ARCH

Response to squared shocks

0.2461
1.46
β

GARCH

Volatility persistence

0.2756
1.06

Persistence:

0.522

Half-life:

1 days