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Fifth letter of a Nasdaq stock symbol indicating that listing is a fifth class of preferred stock, a stub, a certificate representing a limited partnership interest, foreign preferred when issued, or a second class of warrants.


1. A symbol appearing next to a stock listed on NASDAQ indicating that the share being traded has a miscellaneous right, warrant, or receipt attached to it. All NASDAQ listings use a four-letter abbreviation; if a Z follows the abbreviation, it indicates that the share's category does not easily fit into other categories.

2. In over-the-counter trading, a symbol meaning that no quote is available for a security.

3. On a table, a symbol indicating an exact number, instead of an estimate, of securities traded.


1. Used in stock transaction tables in newspapers to indicate that the volume reported is the actual number of shares transacted, not the number of round lots: z150.
2. Used in over-the-counter stock transaction tables to indicate that no representative quote is available: z.
References in periodicals archive ?
Logarithm of odds (LOD) scores (/-axis) indicate a high association with microsatellite D19Mit53 on chromosome 19; LOD score = 5.
Sex was mapped on to LG4 of ShrimpMap, regardless of the LOD score used to perform the linkage analysis, but the order of markers varied somewhat (Fig.
When additional families and family members were added and DNA markers replaced the cytogenetic markers for the linkage analysis, the lod score was reduced below the level accepted as evidence for linkage (Smith et al.
Certain markers on chromosome 3, which showed no evidence of linkage in the initial sample (peak LOD score 0.
Because of multiple comparisons problems (Lander and Botstein 1989; Lander and Schork 1994), the level of statistical significance for a given LOD score was determined by simulation.
The correction constants for computing empirical LOD scores were 0.
Further, LOD scores associated with the probabilities for two of these markers (M28 and M31) exceeded the 1% group-wise significance threshold level, although neither LOD score exceeded the 5% experiment-wise threshold value of 2.
Points listed are those at which the LOD + values (the amount an observed LOD score exceeds the permutation generated LOD value) are positive for either per se or testcross results and which are maximum for an adjacent set of points which all had positive LOD+ values.
Methods for calculating critical values for LOD scores have been described previously (Liu et al.
If several sires, including the true sire, could not be excluded, the LOD score (natural logarithm of likelihood ratio, cf.
2], being equivalent to the original parametric LOD score proposed by Morton (1955).
It also calculates a LOD score for each interval, a score that represents a ratio of the [log.