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PersonalactiveStarted December 2025

Logos

Polymarket arbitrage detection and execution in Rust

87
tests
sub-second
latency

What it is

Logos represents the latest evolution in the autonomous trading lineage: Trading Agents → Chimera (crypto) → Agora Quantum (stocks/bonds) → Logos (prediction markets). Each system builds on lessons from the previous.

The Polymarket Opportunity

Prediction markets are inefficient. Events with known outcomes often have mispriced contracts. Logos detects and exploits these inefficiencies automatically.

Arbitrage Types

  • Partition Sum: When YES + NO doesn't equal 100%
  • Complement Mispricing: Related markets with inconsistent odds
  • Negative Risk Efficiency: Positions that guarantee profit regardless of outcome

Technical Architecture

Built in Rust for maximum performance and safety:

  • logos-core: Domain logic (detection, execution, risk management)
  • logos-client: Polymarket API clients (REST, WebSocket, Gamma)
  • logos-storage: SQLite persistence for positions and history
  • logos-cli: Command-line interface for operation

Real-time Detection

WebSocket connections to Polymarket's order books enable sub-second detection of arbitrage opportunities. When spreads appear, Logos calculates expected value and executes if thresholds are met.

Risk Management

  • Position limits per market
  • Drawdown protection with circuit breakers
  • Shadow mode for strategy testing without real execution
  • Full audit trail of all decisions

The Trading Evolution

This is the fourth generation of autonomous trading systems:

  1. Trading Agents: Initial crypto bots on Raspberry Pi
  2. Chimera: Multi-agent crypto with 93% cost optimization
  3. Agora Quantum: 9-agent stock/bond fund scanning 8,000+ securities
  4. Logos: Rust-based prediction market arbitrage

Each generation applies lessons from the previous while targeting a new market structure.

Connected work

What it touches