Sites and apps similar to Kalshi include Polymarket, which is free. Other options are PredictIt, Smarkets, iPredicta and Alphascope. In total there are eight Betting Services like Kalshi for iPhone, iPad, Android, Mac and Windows.
Peer-to-peer platform to trade outcomes on real-world events across politics, sports, crypto, finance, and culture. Markets operate 24/7, odds update in real time, payouts are $1 per share, and funding can use crypto or bank card. Forecasts are crowd-calibrated.
United States
PredictIt is a real-money political prediction market, a stock market for politics. A project of Victoria University of Wellington, PredictIt has been established to research the way markets can forecast future events.
United Kingdom
Prediction markets discovery and intelligence platform aggregating Polymarket, Kalshi, PredictIt, Robinhood, and Crypto.com in one place.
United Kingdom
Alphascope combines live prediction-market odds with AI forecasts, news-impact analysis, alerts, and cross-platform context for Polymarket, Kalshi, Manifold, and Opinion. It helps researchers and traders compare probabilities, monitor market-moving news, and identify meaningful...
Native desktop trading terminal for Polymarket prediction markets, with a price ladder, automated order types and charting.
Switzerland
CALLOUT is a prediction market for crypto, sports and world events. Unlike Polymarket or Kalshi, you do not wait for the platform to list a market - you open your own for $50, and you keep 1% of all volume traded in it, for life.
Self-custodial trading frontend for perpetuals, spot, and HIP-4 prediction markets with email OTP sign-in, no seed phrase, keys only with the user, one-click deposits, approvals, and transfers. Preserves historical odds, trader win-rates, prediction data.
