V-Lab
Vulcan Infrastructure and Power Inc Asy. Power MEM Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
85.66%
decreased by 10.34%
1 Week
79.81%
decreased by 16.19%
1 Month
66.02%
decreased by 29.98%
Analysis last updated: Wednesday, August 5, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2021 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days. The volatility power δ = 0.70 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1505 | 7.97*** |
α ARCH Response to squared shocks | 0.2967 | 35.38*** |
β GARCH Volatility persistence | 0.6896 | 88.09*** |
γ leverage Additional response to negative shocks | -0.0184 | -1.54 |
δ power Transformation power | 0.6960 | 8.58*** |
Persistence:
0.927
Half-life:
9 days
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