How should I use this result?

Treat it as a fast decision aid. For execution-sensitive trades, check live bid, ask, fees, and slippage before acting.

Does this assume Polymarket-style binary settlement?

Unless a tool says otherwise, outputs assume binary shares settle to either $1 or $0 at resolution.

Fees & ArbitrageFree utility

Estimate the worst-case payout across a basket of YES and NO positions.

portfolio worst caserisk floorpayout calculator

Adjust live

Calculator setup

Enter your assumptions and this tool will update immediately.

Positions (YES/NO, shares, entry)

Instant

Primary output

-$4.00

Worst-case PnL

Live resultReady to copy

YES resolution PnL

$16.00

NO resolution PnL

-$4.00

Keep the workflow moving with the next most relevant calculators.

Fee-Aware Break-Even Price

Solve for the maximum price that still breaks even after trading fees.

YES + NO Bundle Arbitrage ROI

Check whether buying both sides still locks in a positive resolution payout.

Cross-Platform Binary Arbitrage ROI

Check a buy-YES / buy-NO complement trade across two venues.

Hedge Size Calculator

Estimate how many opposite-side shares you need to cap downside.