Poly-Maker
0 out of 5 starsBe the first to reviewOpen-source market-making bot for Polymarket. Quotes both sides of the book over WebSockets with configurable spreads, position merging and risk controls. Shared by its author as a reference implementation, not a turnkey money-maker.
Overview
Open-source market-making bot for Polymarket. Quotes both sides of the book over WebSockets with configurable spreads, position merging and risk controls. Shared by its author as a reference implementation, not a turnkey money-maker.
How it works
- Provides liquidity by maintaining bids and asks on both sides of a Polymarket book.
- Monitors order books over WebSockets and adjusts quotes with configurable spreads and sizing.
- Manages inventory with position tracking, risk controls and automated merging.
- Self-hosted from source — shared by its author as a reference implementation rather than a turnkey money-maker.
Supported markets
- Any liquid Polymarket book
- Politics & elections
- Crypto markets
- Sports moneylines
Free & open-source (MIT). Self-host from full source.
Get Poly-Maker- Full Python + JS source (MIT license)
- Real-time WebSocket order books
- Two-sided quoting with configurable spreads
- Automated position merging
- Google Sheets parameter config
- Author
- warproxxx
- Category
- Market Making
- Risk level
- Medium risk
- Added
- Jul 3, 2026
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