A floor trader who buys and sells quickly to take advantage of small price fluctuations. Usually a scalper is ready to buy at the bid and sell at the asked price, providing liquidity to the market. The term "scalper" is used because these traders attempt to "scalp" a small amount on a trade.
SCALPER
Meaning of SCALPER in English
A guide to futures and options market technology English dictionary. Английский словарь-руководство по фьючерсам и опционам рыночных технологий . 2012