Z-score is an extremely useful technique not only for screening, but also for stock picking and portfolio structuring. A backtest shows that using a composite Z-score, based on PC, PTBV and PE ratios, ...
A z-statistic, or z-score, measures relative discounts and relative premiums for closed-end funds. Z-scores can add context to a closed-end funds’ current discounts and premiums. For a premium, a ...
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