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V-Lab

Pngs Reva Diamond Jewellery Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

86.03%

increased by 30.16%

1 Week

64.42%

increased by 8.55%

1 Month

54.36%

decreased by 1.51%

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 GAS-GARCH-T

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 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 4.62 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

10.2242
5.74***
α

ARCH

Response to squared shocks

0.2331
2.02**
β

GARCH

Volatility persistence

0.3927
3.83***
ν

DF

Student-t tail thickness

4.6181
1.09

Persistence:

0.393

Half-life:

1 days