Crypto Market Maker (CEX)

A professional-grade market making bot that quotes bid/ask orders on centralised exchanges — earning the spread while managing inventory risk.

Market Making Engine:

• Continuous two-sided quoting (bid + ask)
• Dynamic spread calculation based on volatility
• Order book depth-aware positioning
• Quote refresh on every book update (sub-100ms)
• Multi-level quotes (3–10 levels deep)

Inventory Management:

• Real-time inventory tracking with target neutral position
• Skewing quotes to reduce inventory (widen unfavourable side)
• Max inventory limits with auto-hedging
• Inventory half-life decay targeting
• Cross-exchange hedging for extreme inventory

Spread Optimization:

• Volatility-adjusted spreads (wider in high vol)
• Fee-aware minimum spread (always profitable after fees)
• Maker rebate optimization
• Tick size optimization for price priority
• Adaptive spread based on fill rate targets

Risk Controls:

• Maximum position size per pair
• Maximum daily loss limit
• Adverse selection detection — pause when being picked off
• News filter — widen spreads or pause during major events
• Latency monitoring — pause if execution speed degrades
• Kill switch (manual and auto-triggered)

Supported Exchanges:

• Binance (spot + futures), Bybit, OKX
• KuCoin, Gate.io, MEXC
• Configurable per-exchange parameters

Tech Stack:

• Python 3.11+ with asyncio
• WebSocket for real-time order book
• CCXT for REST API operations
• Redis for state management
• PostgreSQL for trade logs
• Grafana dashboard
• Docker Compose deployment