Point-in-time market data for AI and quants: 16,000+ US stocks since 2000 incl. delisted, 5,100+ ETFs, ticks, 139 futures markets, options chains and GEX, crypto, FX, 123 indexes, COT, 13F, insider trades, short interest, fundamentals as filed, 22,700+ macro series with every revision, congressional trades, election spending, margin debt, shipping chokepoints and backtests. Every call takes an as_of date. Works in Claude, ChatGPT and Cursor. Free, no sign-up.