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TICK

A short-term technical indicator that describes the difference between the number of stocks whose last sale occurred on an uptick and the number of stocks whose last sale occurred on a downtick. A high positive TICK is generally considered a short-term signal of a strong market. Contrarians consider a high positive TICK to have bearish implications.

Main Entry: tick
Pronunciation: 'tik
Function: noun
1 : any of numerous bloodsucking arachnids that constitute the acarine superfamily Ixodoidea, aremuch larger than the closely related mites, attach themselves to warm-blooded vertebrates to feed, include important vectors of various infectious diseases of humans and lower animals, and although theimmature larva has but six legs, may be readily distinguished from an insect by the complete lack of external segmentation
2 : any of various usually wingless parasitic dipteranflies (as the sheep ked)

tick ² (tĭk)
n.

1. Any of numerous small bloodsucking parasitic arachnids of the families Ixodidae and Argasidae, many of which transmit febrile diseases, such as Rocky Mountain spotted fever and Lyme disease.

2. Any of various usually wingless, louselike insects of the family Hippobosciddae that are parasitic on sheep, goats, and other animals.

tick   (tĭk)  Pronunciation Key  Any of numerous small, parasitic arachnids of the suborder Ixodida that feed on the blood of animals. Like their close relatives the mites and unlike spiders, ticks have no division between cephalothorax and abdomen. Ticks differ from mites by being generally larger and having a sensory pit at the end of their first pair of legs. Many ticks transmit febrile diseases, such as Rocky Mountain spotted fever and Lyme disease.