V-Lab
SJ Au Logistica FII MEM Volatility Analysis
Volatility prediction for Thursday, October 1st, 2026
1 Day
109.30%
increased by 3.53%
1 Week
117.01%
increased by 11.24%
1 Month
139.38%
increased by 33.61%
Analysis last updated: Thursday, October 1, 2026 at 10:29 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 25, 2021 to Sep 25, 2026Model Insight
Volatility shocks decay with a half-life of 23 trading days, meaning a shock loses half its impact after approximately 23 days.
μ
MEM Model
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Shock decay: Shocks decay with a 23-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.63 |
| αARCH | 0.1928 | 1.76* |
| βGARCH | 0.7770 | 13.91*** |
0.970
Persistence23d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.63 |
α ARCH Response to squared shocks | 0.1928 | 1.76* |
β GARCH Volatility persistence | 0.7770 | 13.91*** |
Persistence:
0.970
Half-life:
23 days
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