6 public news & event trading examples on Kalshi and Polymarket, each with its source.
Last updated .
News and event trading bots react to an outside signal, such as a weather forecast, sports data or a price feed, and compare it to markets tied to that event.
Common tools here: Python (5), Kalshi API (2), weather forecasts (1), ML (1), JavaScript (1). Compare them side by side → · Kalshi bot guide · Polymarket bot guide
Trades daily high-temperature markets on Kalshi (KXHIGH series) and Polymarket using weather data.
Weather quant analysis bot for Polymarket weather markets.
Trains ML models on historical game data to trade Polymarket sports markets (NHL, NBA, tennis, and more).
Trading system for Kalshi's S&P 500 daily range markets.
Multi-strategy bot for Kalshi's 15-minute Bitcoin up/down markets (KXBTC15M) that compares Binance spot and Polymarket prices, with a live dashboard.
Open-source Python research system for the weekly EIA natural gas storage report. On release it polls EIA's JSON and CSV feeds, reads the Lower 48 net change, maps it onto bracket contracts from a YAML spec, and either records a simulated paper fill or places fee-aware limit orders on Kalshi (and optionally Polymarket). Paper mode is the default; the author warns that live mode can send real orders and lose money. No track record is claimed.
New public Kalshi & Polymarket builds, each with a source. No spam.
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