Simple Kalshi market maker
Deploys basic two-sided quoting strategies on Kalshi markets.
Strategy-free infrastructure pulled from a Rust Polymarket market maker: an atomic order-book snapshot, merging of redundant websocket feeds, per-connection lag detection, EIP-712 order signing, and an execution ledger checked against on-chain receipts. Strategy and risk logic are not included. MIT licensed, with CI.
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Strategy-free infrastructure pulled from a Rust Polymarket market maker: an atomic order-book snapshot, merging of redundant websocket feeds, per-connection lag detection, EIP-712 order signing, and an execution ledger checked against on-chain receipts. Strategy and risk logic are not included. MIT licensed, with CI. See the source for setup, usage and current status.
Tools: RustPolymarket CLOBWebSockets+1
Difficulty: advanced
Platforms: Polymarket
Strategy-free infrastructure pulled from a Rust Polymarket market maker: an atomic order-book snapshot, merging of redundant websocket feeds, per-connection lag detection, EIP-712 order signing, and an execution ledger checked against on-chain receipts. Strategy and risk logic are not included. MIT licensed, with CI. It is listed under Market making in this directory.
According to its source, it works with Polymarket.
The source lists: Rust, Polymarket CLOB, WebSockets, EIP-712.
It was published by 38st. The public source is at github.com/38st/polymarket-clob-infra.
This directory rates it advanced (beginner, intermediate or advanced).
It had 0 GitHub stars as of Oct 22, 2026.
The repository was last updated on Oct 21, 2026, as checked on Oct 23, 2026. Check the source for current status.
Compare all market making tools → · How to build a Polymarket bot
Deploys basic two-sided quoting strategies on Kalshi markets.
Official open-source keeper that keeps quotes on Polymarket's CLOB order book.
Experimental Python workspace for studying order books and passive quotes on Polymarket short-duration markets. Includes a Tkinter paper-trading engine that simulates fills against live public data, a backtest window, and an unaudited live CLOB prototype. The author states it is a research prototype, not a validated profitable strategy.
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