Bg T&A Co MEM Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
51.24%
increased by 0.48%
1 Week
52.80%
increased by 2.04%
1 Month
57.60%
increased by 6.84%
Analysis last updated: Tuesday, July 21, 2026 at 07:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 16, 2007 to Jul 16, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6676 | 10.61*** |
α ARCH Response to squared shocks | 0.2915 | 36.06*** |
β GARCH Volatility persistence | 0.6764 | 101.23*** |
Persistence:
0.968
Half-life:
21 days
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