Z
Score
Statistical measure that quantifies the distance (measured in
standard deviations) a data point is from the mean of a data set.
Separately, Z score is the output from a credit-strength test
that gauges the likelihood of bankruptcy.
Zero-bracket
Amount
The standard deduction portion of income which is not taxed for
taxpayers choosing not to itemize deductions.
Zero-Coupon
Bonds
Bonds that do not pay interest periodically. Instead these bonds
are purchased at a discount and held to maturity, when all compounded
interest is paid and the bondholder collects the face value of
the bond. Under U.S. tax laws, the imputed interest rate is still
taxable as income, although there is no actual cash flow before
maturity.
Zero-Coupon
CD
A certificate of deposit that pays interest only upon maturity.
Zero-investment
Portfolio
A portfolio of zero net value established by buying and shorting
component securities, usually in the context of an arbitrage strategy.
Zero-Minus
Tick
A stock trade at a price that is equal to the preceding trade
but lower than the last different price.
Zero-Plus
Tick
A stock trade at a price that is equal to the preceding trade
but higher than the last different price.
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