Reversal

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Reversal

Turn, unwind. For convertible reversal, selling a convertible and buying the underlying common, usually effected by an arbitrageur. For market reversal, change in direction in the stock or commodity futures markets, as charted by technical analysts in trading ranges. For options reversal, closing the positions of each aspect of an options spread or combination strategy.

Reversal

A change in a security's price trend.
References in periodicals archive ?
Thus, increased aromatase activity is not necessary for sex inversion, and alternatively, aromatase-independent pathways for sex reversal resulting from xenobiotic treatment must exist.
However, estrogen treatment during embryonic development can produce gonadal sex reversal in genetic males (Gallien 1953).
The locality in Wyoming (North Platte River) with the highest frequency of sex reversal (92% of the males) is not in the vicinity of farms, nor is it in a county that reports significant atrazine use.
Sex reversal was determined by comparing fish color (genetic sex) to the phenotypic sex as determined by inspection of the gonad.
Nonylphenol induced ovotestes in males exposed to approximately 25 ppb and induced sex reversal in fish exposed to 50 ppb for 3 months posthatch (69).
Medaka are widely used in environmental toxicological assays and were the first teleost in which sex reversal was obtained by exposure to sex steroids (26,27).
This study was initiated to determine the incidence of phenotypic sex reversal in wild, fall chinook salmon (Oncorhynchus tshawytcha) that returned to spawn in the Columbia River.
Sex reversal effects of environmentally relevant pesticide concentrations on the red-eared slider turtle, a species with temperature-dependent sex determination.