V-Lab
Sequoia Logistica E Transpor MEM Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
176.47%
decreased by 18.79%
1 Week
176.73%
decreased by 18.53%
1 Month
177.68%
decreased by 17.58%
Analysis last updated: Sunday, August 9, 2026 at 03:09 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 7, 2020 to Aug 7, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 75 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.3221 | 2.49** |
α ARCH Response to squared shocks | 0.3211 | 18.20*** |
β GARCH Volatility persistence | 0.6697 | 59.64*** |
Persistence:
0.991
Half-life:
75 days
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