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 ?
2004) reported that oral administration with estradiol-17[beta] and tamoxifen (an antiestrogen) are effective for sex reversal in yellow catfish (100% female and 90% male, respectively), and the labile period of sex differentiation falls between the 8th and 30th day post-hatching.
Histological examinations of the tamoxifen and letrozole treated gonads showed well differentiated testicular cells showing spermatozoa in seminiferous tubules suggesting that the sex reversal was male hormone (testosterone) based since letrozole blocked the aromatization process [12,37] while tamoxifen inhibited receptor binding.
Induction of XY sex reversal by estrogen involves altered gene expression in a teleost, tilapia.
Production of mono-sex populations in several fish species require sex reversal, which is induced by steroid hormones (Shelton et al.
Hormonal induction of sex reversal and progeny testing in the zebra cichlid Cichlasoma nigrofasciatum.
A solution would be to map all sites where grouper are aggregating to determine sex reversal, or to spawn, and limit spearing grouper at these sites during the period sex reversal and spawning is actually taking place.
Presumptive Sry-negative XX sex reversal in a llama with multiple congenital anomalies.
A mutation in the gene encoding steroidogenic factor-1 causes XY sex reversal and adrenal failure in humans.
A Hungarian Hot Wax pepper plant and an Earliest Ace Sweet pepper plant were crossed by sex reversal pollination, meaning the pollen from the male Hungarian Hot Wax was put onto the stigma of the female Earliest Ace Sweet and the pollen from the male Earliest Ace Sweet was put onto the stigma of the female Hungarian Hot Wax.