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India NSE Volatility Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

113.89%

decreased by 2.85%

1 Week

112.59%

decreased by 4.15%

1 Month

108.31%

decreased by 8.43%

Analysis last updated: Friday, October 16, 2026 at 11:49 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of India NSE Volatility Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 3, 2008 to Oct 8, 2026

Model Insight

Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days. Returns follow a Student-t distribution with v = 3.95 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 19-day half-lifev = 3.95 · fat tails
ParamValuet-stat
ωlong-run34.0640
1.52
αscore0.0682
5.37***
βpersistence0.9651
48.53***
νDF3.9520
1.76*

0.965

Persistence

19d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

long-run

Long-run variance given a price move

34.0640
1.52
α

score

Weight on the scaled score

0.0682
5.37***
β

persistence

Volatility persistence

0.9651
48.53***
ν

DF

Student-t tail thickness

3.9520
1.76*

Persistence:

0.965

Half-life:

19 days