V-Lab
Namib Minerals MEM Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Wednesday, August 12th, 2026
1 Day
87.32%
decreased by 16.61%
1 Week
87.64%
decreased by 16.29%
1 Month
88.88%
decreased by 15.05%
Analysis last updated: Tuesday, August 11, 2026 at 10:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 29, 2021 to Aug 7, 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.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1091 | 6.45*** |
α ARCH Response to squared shocks | 0.3776 | 5.85*** |
β GARCH Volatility persistence | 0.6224 | 7.29*** |
Persistence:
1.000
Half-life:
-
Other MEM Analyses on Equities