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V-Lab

Vinpearl JSC GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

30.15%

decreased by 2.96%

1 Week

33.47%

increased by 0.36%

1 Month

39.77%

increased by 6.66%

Analysis last updated: Tuesday, August 25, 2026 at 08:40 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Vinpearl JSC GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 21, 2008 to Aug 21, 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.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8238
11.76***
α

ARCH

Response to squared shocks

0.2655
11.69***
β

GARCH

Volatility persistence

0.6395
43.51***
γ

leverage

Additional response to negative shocks

-0.0099
-0.24

Persistence:

0.900

Half-life:

7 days