More Tools · MANUAL INPUT
More Tools
Focused tools for more tools, using your own prices and assumptions.
Synthetic Position Calculator
Compare a long call plus short put with synthetic forward exposure.
Open tool →Exercise vs Sell Calculator
Compare a quoted option sale with immediate exercise and liquidation value after entered costs.
Open tool →Early Exercise / Assignment Estimator
Screen time value, dividends and interest incentives for an American-style option.
Open tool →Kelly Position Sizing Calculator
Explore fractional Kelly sizing for an assumed two-outcome win/loss distribution.
Open tool →Options Fee Calculator
Estimate contract, order and exchange costs for one-way or round-trip trading.
Open tool →Margin / Capital Requirement Estimator
Illustrate cash funding and basic US equity-option strategy-margin formulas.
Open tool →Use consistent inputs
Enter values from the same contract and observation time. A premium per share is different from a contract cash price. Read each result’s units and assumptions before comparing it with another tool.
Open the Advanced Strategy Builder to combine legs and inspect a position, or return to all tools.
