A Java library for technical analysis.
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
QuickFIX/J is a full featured messaging engine for the FIX protocol. - This is the official project repository.
AllTick real-time financial market data API with REST and WebSocket access to stocks, forex, crypto, commodities, and indices.
Simple Java connector to Binance Spot API
Emporia is a microservices-based trading platform built with Spring Boot, React and PostgreSQL, featuring real-time market data, order management, execution strategies, and OAuth2 security.
⚡ Ultra-Low Latency Continuous Double Auction Matching Engine in Java 21 Loom. In-memory L2 market depth, price-time priority, STOMP WebSockets, 50k+ ops/sec.
Optimal execution and market making, implemented four times over from the same pinned contract: **Almgren-Chriss (2000)** discrete optimal execution, **Avellaneda-Stoikov (2008)** finite-horizon market making, and execution analytics (Perold implementation-shortfall decomposition, participation rate, a tiny native OLS for market-impact estimation).