"SPDX" matching MCP connectors:

SPX 0DTE dealer market structure: GEX, walls, gamma flip, regime. Free previews; pay per read.

SPX gamma exposure (GEX) backtests, 1,000+ sessions, plus gamma levels for 100+ ETFs and stocks

Real-time SPX (0DTE) options dealer market-structure for agents: call/put walls, gamma flip, net GEX, dealer regime (CHOP/TREND/BREAKOUT), forecast band, VIX term structure, historical replay, and event webhooks. Over MCP (Streamable HTTP) or a REST v1 mirror on one key. Informational data only; not investment advice, and not the Defiance ZDTE ETF.

Free delayed gamma flip, call and put walls, max pain and net dealer gamma