What Is a Trading Signal? A trading strategy can contain a long list of rules. A computer can evaluate those rules and eventually decide that the conditions for a trade have been met. But how does that decision get communicated to the next part of the system? That is where a trading signal comes in. A trading signal is information that communicates a trading decision, such as BUY, SELL, or EXIT , along with the information needed to identify what that decision relates to. A Trading Signal Is More Than “BUY” Imagine an algorithm has checked all of its conditions and decided that it wants to enter a trade. The most basic description might simply be: BUY But another system receiving that message would need more context. For example, a signal could contain information such as: Action: BUY, SELL, or EXIT Trading pair: such as BTCUSDT Signal ID: an identifier that helps distinguish one signal from another Timestamp: when the signal was generated Ot...