News Corp GARCH Volatility Analysis
Volatility prediction for Friday, October 9th, 2026
1 Day
23.22%
increased by 0.39%
1 Week
24.49%
increased by 1.66%
1 Month
26.71%
increased by 3.88%
Analysis last updated: Thursday, October 8, 2026 at 09:39 PM UTC
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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 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.4093 | 2.39** |
| αARCH | 0.1452 | 4.80*** |
| βGARCH | 0.7270 | 10.81*** |
0.872
Persistence5d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4093 | 2.39** |
α ARCH Response to squared shocks | 0.1452 | 4.80*** |
β GARCH Volatility persistence | 0.7270 | 10.81*** |
Persistence:
0.872
Half-life:
5 days
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