Vellium & Co

Directory › Calculators and conversions › quant-options

quant-options

Black-Scholes European option calculator: fair price, all greeks (delta, gamma, vega, theta, rho), or implied volatility from a market price. Pure computation over your inputs.

Go to this service →

Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
185 ms
Price
$0.003 per call
Paying buyers, last 30 days
4 (directory's own records)
Paid calls, last 30 days
5
Category
Calculators and conversions
Address
https://api.agentstools.dev/quant/options

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/415b851cb763.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].