Options calculator

Your option

You sell a

Currency

Stock price

Strike

Premium (per share)

Expiry

Contracts

Advanced settings

Shares per contract

Almost always 100; some contracts differ.

Risk-free rate (%)

Used to compute IV and greeks.

Result

Fill in price, strike, premium and expiry:
the calculation runs by itself.

Create your account: soon you will be able to log your trades and track their outcome.

Black-Scholes calculations without dividends, run on your device: nothing you type is sent.
A calculation aid and course material, not investment advice.