Kalshi official API for market metadata, candlesticks, trades, and order books. Polymarket official/public APIs for event metadata, markets, token IDs, price history, trades, and order books. Raw data ...

This repository is a Python research project for studying prediction-market efficiency and price discovery in the Los Angeles mayoral race using Kalshi and Polymarket data. - ...

Maryland urged a federal court Thursday to allow it to block sports-event contracts offered by Kalshi, arguing the company’s prediction market products are effectively sports bets. At issue is ...

Traders on prediction markets platform Kalshi now see a 58% chance a deal is reached by 2027. That's higher than before an Axios report said the two countries were close to a deal to end the war, but ...

Prediction market startup Kalshi announced Thursday it raised $1 billion in fresh capital that doubled its valuation and two cofounders’ fortunes to $2.6 billion in the matter of six months, according ...

Kalshi said it has raised $1 billion in a recent funding round, bringing its total valuation up to $22 billion. The Series F round was led by Coatue, with participation from Sequoia Capital, ...

A federal judge in Arizona blocked the state's attorney general from criminally prosecuting the prediction market platform Kalshi. The judge ruled that Kalshi's activities are likely federally ...

The platform for betting on sports, politics, the weather and more has raised $1 billion and sees big financial firms as a key source of growth. By Michael J. de la Merced Since the 2024 presidential ...

The popular prediction market platform has just raised a new funding round that values it at $22 billion, double what it was worth in December. By Andrew Ross Sorkin Bernhard Warner Sarah Kessler ...

Traders on prediction markets platform Kalshi give 73% odds that the Securities and Exchange Commission will end its requirement for quarterly financial reports by April 2027. They give lower odds ...