algo n.— «Powerful algorithms—“algos,” in industry parlance—execute millions of orders a second and scan dozens of public and private marketplaces simultaneously. They can spot trends before other investors can blink, changing orders and...
whisper number n.— «Rumor-mongering, of course, has long been the stock in trade of some on Wall Street. Billions of dollars a day are bet on “whisper numbers” and overheard lunchtime chatter. Information is the coin of the realm. Some of...
doji n. a stock-trading session in which the opening and closing prices are (nearly) the same. Editorial Note: The plural is also doji. Etymological Note: From the Japanese doji どじ ‘a blunder; a blunderer; a fool or foolish thing.’...
sub-penny quoting n. the practice of offering a decimal of a cent higher than a stock’s asking price or another buy order. Also sub-penny pricing, sub-penny trading. (source: Double-Tongued Dictionary)