← All Glossary Z-Score A statistical measure indicating how many standard deviations a data point is from the mean, used in finance for identifying outliers and bankruptcy prediction. Z-Test A statistical hypothesis test assuming a normal distribution, used in quantitative finance to determine if sample data differs significantly from a population. Zero-Coupon Bond A bond sold at a deep discount paying no periodic interest, with the return earned entirely from the difference between purchase price and face value at maturity. Zero-Sum Game A situation in finance where one participant's gain equals another's loss, such as options and futures trading when considering only the contracts themselves.
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