Best US Legal Prediction Markets (2026)

Discover prediction market platforms with us legal capabilities.

Mercury Suite

Mercury Suite

mercurysuite.net AI Strategy Builder — Describe any trading strategy and go live in minutes. Our AI agent (powered by Claude) builds the full executable strategy: triggers, logic, risk management, everything. Or use our visual drag-and-drop node editor with 44 node types. Then deploy in one click to our VPS and have everything managed for you. Backtest on Real Data — Test any strategy against historical market data before risking a dollar. Full P&L breakdown, win rate, Sharpe ratio, equity curves. Paper Trade, Then Go Live — Validate with simulated trades first, then deploy live with one click. Run up to 10 bots simultaneously across Polymarket and Kalshi. Non-Custodial Wallets — Every wallet is powered by Turnkey — your private keys live in institutional-grade hardware security modules. We never see or touch them. Fund with USDC on Polygon, withdraw to any address, anytime. Mercury Funding — The first-ever prediction market prop firm. Prove your edge live and we'll fund you with up to $5,000. No evaluation fees, completely free to apply. We invest in traders who build with us. One-Click Bonds — Auto-scan markets for contracts trading above 90¢ near resolution — buy at 95¢, collect $1. Fixed-income yield in days. Catalyst — Real-time news intelligence that monitors 7 live news feeds for keyword spikes. Spot narrative shifts before markets move. 44 Strategy Nodes — 8 trigger types, 6 technical indicators, 11 logic conditions, 9 execution modes, 10 risk controls. Stop losses, trailing stops, Kelly sizing, DCA, TWAP, scaled entries, portfolio caps, drawdown limits. Custom API Triggers — Connect any JSON API. BTC price, ETH gas, Fear & Greed index, weather alerts, earthquake data — if it has an API, you can trade on it. Full Portfolio Dashboard — Live P&L, position tracking, equity curves, trade history, CSV export for taxes. Free. No minimums. No lock-ups. Built for tomorrow. http://mercurysuite.net

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Delphi Terminal

Delphi Terminal

The Largest Aggregated Prediction Market Platform We currently own and operate the world's largest Level 1, Level 2, and Level 3 dataset across multiple exchanges.

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