V-Lab
News Corp MEM Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
20.67%
decreased by 2.21%
1 Week
22.38%
decreased by 0.50%
1 Month
25.95%
increased by 3.07%
Analysis last updated: Thursday, September 3, 2026 at 09:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 19, 2013 to Aug 28, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3053 | 3.16*** |
α ARCH Response to squared shocks | 0.3389 | 6.95*** |
β GARCH Volatility persistence | 0.5746 | 18.02*** |
Persistence:
0.914
Half-life:
8 days
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