V-Lab
News Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, October 6th, 2026
1 Day
23.49%
decreased by 0.41%
1 Week
23.87%
decreased by 0.03%
1 Month
24.99%
increased by 1.09%
Analysis last updated: Monday, October 5, 2026 at 09:32 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 19, 2013 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days. Returns follow a Student-t distribution with v = 4.96 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 17-day half-lifev = 4.96 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.0951 | 1.38 |
| αARCH | 0.0853 | 3.98*** |
| βGARCH | 0.9594 | 27.83*** |
| νDF | 4.9577 | 1.05 |
0.959
Persistence17d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.0951 | 1.38 |
α ARCH Response to squared shocks | 0.0853 | 3.98*** |
β GARCH Volatility persistence | 0.9594 | 27.83*** |
ν DF Student-t tail thickness | 4.9577 | 1.05 |
Persistence:
0.959
Half-life:
17 days
Other GAS-GARCH Student T Analyses on Equities