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News Corp GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, September 16th, 2026

1 Day

24.77%

decreased by 1.59%

1 Week

25.03%

decreased by 1.33%

1 Month

25.82%

decreased by 0.54%

Analysis last updated: Wednesday, September 16, 2026 at 02:36 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of News Corp GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 19, 2013 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days. Returns follow a Student-t distribution with v = 4.99 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 16-day half-lifev = 4.99 · fat tails
ParamValuet-stat
ωconst3.0892
1.41
αARCH0.0868
4.02***
βGARCH0.9587
27.95***
νDF4.9888
1.05

0.959

Persistence

16d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.0892
1.41
α

ARCH

Response to squared shocks

0.0868
4.02***
β

GARCH

Volatility persistence

0.9587
27.95***
ν

DF

Student-t tail thickness

4.9888
1.05

Persistence:

0.959

Half-life:

16 days