Skip to main content
V-Lab

Vietnam Airlines Jsc MEM Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

40.47%

increased by 2.37%

1 Week

40.99%

increased by 2.89%

1 Month

42.04%

increased by 3.94%

Analysis last updated: Sunday, August 16, 2026 at 02:29 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Vietnam Airlines Jsc MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 7, 2019 to Aug 14, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8359
7.72***
α

ARCH

Response to squared shocks

0.2168
12.48***
β

GARCH

Volatility persistence

0.6692
65.84***

Persistence:

0.886

Half-life:

6 days