Search prediction markets across Polymarket and Kalshi by keyword.

Find markets about any topic: crypto prices, elections, economic indicators, geopolitics, entertainment, tech, sports, and more. Returns current odds (YES/NO prices), volume, and direct links.

Args: query: Search keywords (e.g., "bitcoin 100k", "trump", "fed rate cut", "gta vi") platform: "both", "polymarket", or "kalshi" (default "both") limit: Maximum results to return (default 15, max 30)

Returns: JSON with matching markets, current odds, and links.

Get the most popular/trending prediction markets by trading volume.

See what the prediction markets are focused on right now. Markets are ranked by 24-hour trading volume, showing where the most money and attention is flowing.

Args: platform: "polymarket" or "kalshi" (default "polymarket" — typically higher volume) limit: Number of markets to return (default 20, max 50)

Returns: JSON with trending markets ranked by volume, with current odds.

Get detailed current odds and pricing for a specific prediction market.

Provides YES/NO prices, implied probability, volume, and market metadata. Use the market_id from search_prediction_markets or get_trending_markets.

Args: market_id: The market identifier (Kalshi ticker like "KXBTC-26MAR15-B100000" or Polymarket condition_id) platform: "polymarket" or "kalshi"

Returns: JSON with detailed market odds, pricing, and metadata.

Find cross-platform arbitrage between Polymarket and Kalshi.

Scans equivalent markets on both platforms for price discrepancies. When the combined cost of opposing positions < $1.00, the difference is guaranteed profit regardless of outcome.

Real arbs are typically 1-5 cents and close within seconds/minutes. Larger spreads (>20 cents) usually indicate markets are NOT equivalent.

Args: min_spread_cents: Minimum spread to report in cents (default 2.0)

Returns: JSON with arbitrage opportunities, matched pairs, and spread analysis.

Browse prediction markets by category.

Categories: crypto, economics, politics, climate, sports, entertainment, geopolitics, tech, other.

Args: category: Market category (crypto, economics, politics, climate, sports, entertainment, geopolitics, tech, other) platform: "both", "polymarket", or "kalshi" (default "both") limit: Max results (default 20, max 50)

Returns: JSON with markets in the specified category, sorted by volume.