gex.live

What it does

Rebuilds the SPX dealer options book from the live tape: zero-gamma flip, call and put walls, hold band, and DEX/VEX/vanna/charm per strike. Positions are signed from trades, not the call/put convention. Volume, open interest and measured flow sit side by side, so you can see where they disagree. 1,000+ finished sessions are free forever, no account. A backtesting Lab and an MCP server come with it. No buy/sell signals.

LIVE SPX dealer gamma (GEX), vanna, charm and the flip every second. Gamma levels for 100+ ETFs, indexes and stocks. REPLAY 1,000+ sessions free. LAB backtests.

Finished sessions, the screener and /now are free. LIVE is the session as it trades, $49 a month. We build it. Tell us what you trade and what you want to see. Every historical session is free, forever. A subscription adds today — the dealer’s book rebuilt every second as itfrom firmtape.com

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