Financial communities compress complicated ideas into jokes, acronyms, and memes. That can make markets feel accessible, but slang can also hide risk. This dictionary explains how common terms are used—not whether the behavior behind them is sensible. A Alpha Return attributed to skill or a strategy beyond...

A market order prioritizes getting the trade executed. A limit order prioritizes the price you are willing to accept. That one distinction explains most of the practical difference, but neither order type guarantees a perfect outcome. Market order A market order instructs a broker to buy or...