Trade Execution

Automated order placement via Polymarket CLOB API

Polymarket CLOB API

Polymarket uses a Central Limit Order Book (CLOB) on the Polygon blockchain. The CLOB allows limit orders with specified prices and sizes. Orders are matched on-chain, providing transparent and verifiable execution. The API supports both market and limit order types.

Client Integration

The Python client library handles authentication, order creation, and position management. It abstracts away the complexity of EIP-712 typed data signatures and Polygon transaction formatting. The client manages nonces, gas estimation, and order status polling automatically.

Order Flow

When a signal is detected, the system computes the Kelly-optimal position size, converts to CLOB order parameters (side, price, size), and submits a limit order at the current best price. BUY YES orders bet on the model's predicted bracket. BUY NO orders bet against brackets the model considers overpriced. A 2% fee is deducted from winning positions.