How does the calculation work for stake vs shares?

The calculator uses the same formula: (Exit Price × Number of Shares) - Stake Amount. If you enter stake amount, it calculates how many shares you get. If you enter shares, it calculates the total stake cost. Both methods give identical profit results.

What's the difference between buying YES and selling NO?

They represent the same position. Buying YES at $0.40 or selling NO at $0.40 both mean you're betting the outcome will happen. The calculator handles the logic automatically, so choose whichever makes more sense for your trading strategy.

How are profits calculated?

Gross profit/loss = (Exit/Settlement Price × Number of Shares) - Your Stake Amount. Net profit is the same since Polymarket charges 0% fees. Positive values show profit, negative values show loss.

What results will I see?

The calculator shows stake amount or shares (depending on your input method), gross profit/loss, fees (always $0.00), net profit/loss, and ROI percentage. Results display "Loss" instead of "Profit" when values are negative.

Should I use stake amount or number of shares?

Use stake amount if you budget by total money to risk. Use number of shares if you prefer thinking in contract quantities. Both approaches are valid - choose what matches your trading style.

Can I calculate potential losses?

Yes. Enter lower exit prices to see potential losses. The calculator will show "Gross Loss" and "Net Loss" with negative values, helping you understand downside risk before entering trades.

Polymarket Profit Calculator

A straightforward calculator to analyze potential profits and losses on your Polymarket trades. Choose your calculation method, enter your position details, and see exactly what you could make or lose.

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Profit & ROI Calculator

Calculate potential profit and ROI for any Polymarket prediction market trade

Trade Type*

Entry Price*

Exit/Settlement Price*

Calculate By*

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About Profit & ROI Calculator

Calculate potential profits and returns for any Polymarket trade. Choose to calculate by stake amount or number of contracts, enter your prices, and see exactly what you could make or lose. The calculator handles all trade types automatically and factors in Polymarket's fees.

Examples

See how profit & roi calculator works with these common scenarios

Stake-Based Calculation

Calculate using $100 stake to buy YES shares at $0.42, selling at $1.00

Entry: $0.42

Exit: $1

Result: $138.10

Shares-Based Calculation

Calculate buying 500 NO shares at $0.35, settling at $0.00

Entry: $0.35

Exit: $0

Result: $175.00

How to Use

Step-by-step guide to using profit & roi calculator

1

Select Trade Type

Choose whether you're buying or selling YES/NO positions. The calculator automatically handles the equivalence logic where Buy YES = Sell NO and Buy NO = Sell YES.

2

Enter Entry Price

Input the price at which you entered or plan to enter the position. This represents the implied probability and should be between 0 and 1.

3

Set Exit/Settlement Price

Enter your target exit price or expected settlement price (0 for NO, 1 for YES, or any value between for partial outcomes).

4

Choose Calculation Method

Select whether to calculate by Stake Amount ($) or Number of Shares. If you choose stake amount, the calculator shows how many shares you'll get. If you choose shares, it shows the total cost.

5

Enter Position Details

Input either your stake amount or number of shares based on your preferred calculation method. The calculator will compute the corresponding value and display it in the results.

6

Analyze Results

Review your calculated gross profit/loss, fees (0% for Polymarket), net profit/loss, and ROI. The results display dynamically shows either your stake amount or number of shares depending on your calculation method.

Frequently Asked Questions

Common questions about profit & roi calculator on Polymarket