Term Explainers

The vocabulary of algorithmic trading is precise — and the details matter. These explainers go beyond surface definitions to cover the mechanics, edge cases, and implementation implications of the terms, concepts, and market structures that serious systematic traders work with every day.

• What is GEX and how does it affect stock movement — GEX measures how much market maker hedging activity is pushing a stock around - and understanding it changes how you read intraday price behavior.