Liberty Defense Holdings Ltd Asy. Power MEM Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, July 20th, 2026
1 Day
37.72%
1 Week
37.72%
1 Month
37.72%
Analysis last updated: Friday, July 17, 2026 at 09:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 22, 2026 to Jul 17, 2026Model Insight
Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution. The volatility power δ = 1.28 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
APMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0000 | 0.00 |
α ARCH Response to squared shocks | 0.1051 | 0.34 |
β GARCH Volatility persistence | 0.8949 | 39.70*** |
γ leverage Additional response to negative shocks | 1.0000 | 0.22 |
δ power Transformation power | 1.2804 | 4.46*** |
Persistence:
1.000
Half-life:
-
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