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Send a free qd_ API key to an email address. No account, card, payment or GUI is required. The key covers all four market-data tools, sharing 10 successful calls per UTC day. The raw key is delivered only to the inbox and is never returned in this tool result. Ask the user for the email address befo

Classical Brooks price-action events detected in the current trading window — the day's first range breakout, breakout follow-through, closes in the top or bottom third of an established range, long-lived-range breakouts, climactic spikes — each paired with the outcome rate measured for that exact d

Weis Wave volume-price structure: price grouped into waves with volume summed per wave, plus which of five classical volume-price events have fired. Each event carries the win rate measured for it on sixteen years of S&P 500 futures data, including the two that came out REVERSED against the traditio

Options max pain per expiration, computed from open interest alone: the strike at which option buyers lose the most in aggregate if the underlying settled there. Pure arithmetic — no pricing model, no volatility assumption, so anyone with the same chain gets the same number. Also returns put/call ra

Estimated dealer gamma exposure (GEX) for a US listed stock or ETF: net and gross GEX, the zero gamma (flip) level and the heaviest strikes. Unlike max pain this is a Black-Scholes ESTIMATE — zero rate, zero dividend, implied volatility solved from end-of-day quotes, and the convention that dealers