S&P Dow Jones Indices partners with Kalshi to build prediction market indices

The company behind the S&P 500 is getting into the forecasting business. S&P Dow Jones Indices and Kalshi have agreed to build indices that track real-world events and risks. Under the partnership, announced October 26, 2026, Kalshi becomes the preferred prediction market platform for event contracts tied to S&P DJI benchmarks. What the deal actually does The arrangement runs in two directions, and each side gets something the other has. First, Kalshi will use official S&P DJI index values to settle its upcoming event contracts. Those values include benchmarks such as the S&P 500. Second, S&P DJI becomes the preferred index constructor using Kalshi data. It will be able to build new indices that draw on the prices traders set in Kalshi’s markets. Those indices could span economics, politics and sports. Put simply, the crowd’s collective guess about future events could be packaged into a benchmark, the same way stock prices get packaged into the S&P 500. The research describes this as part of a push to bring institutional-grade standards into prediction markets. The fine print, or lack of it Neither company disclosed financial terms. No firm timeline for ...