Free, no signup. Each one shows its formula and a worked example alongside the numbers.
Cash-Secured Put Calculator
Collateral, return on capital, annualized yield and breakeven for a put you're thinking about selling.
Covered Call Calculator
Premium yield, what you make if the shares get called away, and where your basis actually sits.
LEAPS Calculator
Breakeven, how much capital a long-dated call saves against shares, and what you're paying for time.
Poor Man's Covered Call Calculator
Net debit, strike width, and whether the setup clears the one rule that decides if a PMCC can work.
CSP Take-Profit Calculator
Whether closing at 25/50/75% actually beats holding — and the last day it still does.