Long/short equity. A long short strategy consists of selecting a universe of equities and ranking them according to a combined alpha factor. Given the rankings we long the top percentile and short the bottom percentile of securities once every rebalancing period. Pairs trade. A pairs trading strategy consists of identifying similar pairs of stocks and taking a linear combination of their price so that the result is a stationary time-series. We can then compute z-scores for the stationary signal and trade on the spread assuming mean reversion: short the top asset and long the bottom asset. Swing trading strategy; Swing traders buy or sell as that price volatility sets in and trades are usually held for more than a day. Scalping (trading); Scalping is a method to making dozens or hundreds of trades per day, to get a small profit from each trade by exploiting the bid/ask spread. Day Trading; The Day trading is done by professional traders; the day trading is the method of buying or selling within the same day. Positions are closed out within the same day they are taken, and no position is held overnight. Trading the news; The news is an essential skill for astute portfolio management, and long term performance is the technique of making a profit by trading financial instruments (stock, currency...) just in time and in accordance to the occurrence of events. Trading Signals; Trading signal is simply a method to buy signals from signals provider, is a very effective strategy to determine the best time to buy or sell a stock or currency pair. Aggregate analysts forecasts are often used in momentum trading strategies.[4] Social trading; using other peoples trading behaviour and activity to drive a trading strategy.