Skip to main content
V-Lab

Vietnam Electricity GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, June 29th, 2026

1 Day

59.06%

increased by 10.16%

1 Week

58.13%

increased by 9.23%

1 Month

55.81%

increased by 6.91%

Analysis last updated: Sunday, June 28, 2026 at 02:53 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Vietnam Electricity GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 15, 2024 to Jun 26, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 4.28 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

10.8967
3.10***
α

ARCH

Response to squared shocks

0.3094
12.44***
β

GARCH

Volatility persistence

0.9212
34.66***
ν

DF

Student-t tail thickness

4.2775
7.25***

Persistence:

0.921

Half-life:

8 days