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Sonali Life Insurance Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Sunday, September 13th, 2026

1 Day

25.95%

increased by 0.02%

1 Week

27.13%

increased by 1.20%

1 Month

30.77%

increased by 4.84%

Analysis last updated: Friday, September 11, 2026 at 06:02 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Sonali Life Insurance Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 30, 2021 to Sep 10, 2026

Model Insight

Volatility shocks decay with a half-life of 25 trading days, meaning a shock loses half its impact after approximately 25 days. Returns follow a Student-t distribution with v = 3.75 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 25-day half-lifev = 3.75 · fat tails
ParamValuet-stat
ωconst7.4358
1.51
αARCH0.0659
6.65***
βGARCH0.9732
49.85***
νDF3.7462
2.08**

0.973

Persistence

25d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

7.4358
1.51
α

ARCH

Response to squared shocks

0.0659
6.65***
β

GARCH

Volatility persistence

0.9732
49.85***
ν

DF

Student-t tail thickness

3.7462
2.08**

Persistence:

0.973

Half-life:

25 days