Options pricing and greeks calculator, deterministic. Answers "what are the greeks for this option", "what is the implied vol of this price". Buyer supplies spot or forward, strike, expiry (ISO date or years), and iv or price; returns Black-Scholes or Black-76 price, delta, gamma, vega, theta, rho, intrinsic/time value, breakeven — or the implied vol solved from price. Pure math (normal CDF accurate to 1e-15), no data source, no LLM, no key.

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