Simple Kalshi market maker
Deploys basic two-sided quoting strategies on Kalshi markets.
Columbia APMA seminar project that quotes Kalshi's daily New York high-temperature contracts: post-only bids and asks around rescaled mids, with inventory priced jointly across temperature bins, quiet periods around weather station reports, and a replay against Kalshi's public trade tape plus Iowa Environmental Mesonet data. Replay results are the author's own (self-reported).
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Columbia APMA seminar project that quotes Kalshi's daily New York high-temperature contracts: post-only bids and asks around rescaled mids, with inventory priced jointly across temperature bins, quiet periods around weather station reports, and a replay against Kalshi's public trade tape plus Iowa Environmental Mesonet data. Replay results are the author's own (self-reported). See the source for setup, usage and current status.
Tools: PythonuvKalshi public API+1
Difficulty: advanced
Platforms: Kalshi
Columbia APMA seminar project that quotes Kalshi's daily New York high-temperature contracts: post-only bids and asks around rescaled mids, with inventory priced jointly across temperature bins, quiet periods around weather station reports, and a replay against Kalshi's public trade tape plus Iowa Environmental Mesonet data. Replay results are the author's own (self-reported). It is listed under Market making in this directory.
According to its source, it works with Kalshi.
The source lists: Python, uv, Kalshi public API, Iowa Environmental Mesonet data.
It was published by dfong03. The public source is at github.com/dfong03/apma2026-kalshi-weather.
This directory rates it advanced (beginner, intermediate or advanced).
It had 0 GitHub stars as of Oct 20, 2026.
The repository was last updated on Oct 20, 2026, as checked on Oct 23, 2026. Check the source for current status.
Compare all market making tools → · How to build a Kalshi bot
Deploys basic two-sided quoting strategies on Kalshi markets.
Official open-source keeper that keeps quotes on Polymarket's CLOB order book.
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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