ContentTRADING VOLUME Definition & Legal MeaningSemi-Strong Form Information Efficiency in Horse Race Betting MarketsPros and cons of volumeTheStreet Dictionary TermsTrading volume This is why it’s important to analyze both the price movement as well as the volume in order to gauge the validity of trend reversals, trend continuations, and chart patterns. If a price movement is accompanied by a proportionate increase in volume, it is seen as more significant than one that isn’t. The first t...