摘要: A set of rules for accomplishing a task in a certain number of steps. One common example is a recipe,[閱讀全文:]
摘要: A type of limit order that can be modified by a floor broker according to his or her own judgment, allowing him or her to buy or sell to a set point beyond the bounds of the original order. This tradi[閱讀全文:]
摘要: A type of financial software used by financial institutions for high-speed market data and messaging. Wombat was launched in 1997 and works with companies' existing software. Wombat was acquired in 2[閱讀全文:]
摘要: A securities trade executed on an exchange at the same price as the preceding trade, but at a lower price than the last trade of a different price. For example, if a succession of trades occur in the [閱讀全文:]
摘要: A security trade that is executed at the same price as the preceding trade but at a higher price than the last trade of a different price. For more than 70 years there was an "uptick rule" as establ[閱讀全文:]
摘要: A group of investments which, when combined, create a zero net value. Zero-investment portfolios can be achieved by simultaneously purchasing securities and selling equivalent securities. This will ac[閱讀全文:]
摘要: A description of the price range of a stock on a particularly volatile day of trading. Wide-ranging days occur when the high and low prices of a stock are much farther apart than they were the day bef[閱讀全文:]
摘要: A ratio of the total number of winning trades to the number of losing trades. It does not take into account how much was won or lost simply if they were winners or losers.
Win/Loss Rati[閱讀全文:]
摘要: The security on which a derivative derives its value. For example, a call option on Google stock gives the holder the right, but not the obligation, to purchase Google stock at the price specified in [閱讀全文:]
摘要: A former rule established by the SEC that requires that every short sale transaction be entered at a price that is higher than the price of the previous trade. This rule was introduced in the Securiti[閱讀全文:]