Welcome to our Tools section

Here you can find our Calculators. - designed to complement your Prediction Market trading.
Please note these are for illustration purposes only and should not be taken as Financial advice

you should check your platform fees are reflected accurately.

Prediction Market Calculator - Odds, Fees, Hedging & Arbitrage | Kalshi, Polymarket, PredictIt

Prediction Market Calculator

Calculate odds, compare fees, and find optimal hedges

Odds & Fees Calculator

Hedging Calculator

Arbitrage Calculator

📊 Coming Soon: Multi-selection calculator for analyzing multiple positions in the same market

Contract Price (in $):

The price per contract on the prediction market (e.g., 60¢ = $0.60)

Number of Contracts:

Only needed for Kalshi's fee calculation (due to rounding)

Platform:

Custom Fee % (on profits):

Enter the fee percentage charged on profits

Your Probability Estimate (Optional - for EV calculation)

What % chance do YOU think this outcome has?

                            Expected Value (After Fees):
                            -
                        
                            -

True Contract Price

                            True Contract Price:
                            -
                        

This is your actual cost including all platform fees

Sportsbook Odds Comparison

Decimal Odds: -

Fractional Odds: -

American Odds: -

These are the equivalent sportsbook odds for your TRUE cost (after fees)

* Fractional odds rounded to nearest traditional bookmaker fraction (Ladbrokes/William Hill/Bet365 ladder)

Original Bet: Prediction Market

Original Bet: Sportsbook

Your Original Position (Prediction Market)

Platform:

Custom Fee % (on profits):

Position Side:

Number of Contracts:

Price Paid Per Contract:

The price you originally paid (e.g., 40¢ = $0.40)

Hedge Your Position

Hedge With:

Platform:

Custom Fee % (on profits):

Current Hedge Price:

Current price to hedge your position (opposite side)

Your Original Bet (Sportsbook)

Amount Wagered:

How much you bet on the sportsbook

Odds Format:

Odds:

Hedge Your Bet

Hedge With:

Platform:

Custom Fee % (on profits):

Contract Price:

Price to bet AGAINST your sportsbook pick

Hedge Recommendation

Recommended Hedge Amount: -

Total Cost (incl. fees): -

Adjust Your Hedge

Move the slider to see how different hedge amounts affect your profits:

Hedge Amount: -

0% (No Hedge) 100% (Recommended) 200% (Over-Hedge)

💰 Investment Summary

Original Stake: -

Hedge Stake: -

                            TOTAL CAPITAL INVESTED:
                            -
                        

Profit Scenarios

If Original Wins: -

If Hedge Wins: -

                            Outcome:
                            -
                        

PM vs PM Arbitrage

PM vs Sportsbook Arbitrage

Platform A

Platform:

Custom Fee % (on profits):

Betting Side:

Contract Price:

Price for this side on Platform A

Platform B

Platform:

Custom Fee % (on profits):

Betting Side:

Contract Price:

Price for this side on Platform B

Your Bankroll

Total Amount to Invest:

Total capital you want to split between both bets

Allocation Strategy: Balanced (50/50)

More on Platform A Balanced More on Platform B

Slide to favor one side for higher upside (while maintaining guaranteed profit)

Prediction Market

Platform:

Custom Fee % (on profits):

Betting Side:

Contract Price:

Sportsbook (Opposite Side)

Odds Format:

Sportsbook Odds:

Odds for the OPPOSITE side of your PM bet

Your Bankroll

Total Amount to Invest:

Total capital you want to split between both bets

Allocation Strategy: Balanced (50/50)

Arbitrage Check

                            Status:
                            -
                        

📊 Your Arbitrage Bets

Bet 1: -

Bet 2: -

                            Total Invested:
                            -
                        

💰 Guaranteed Profit

Payout (Either Outcome): -

Total Cost: -

                            Guaranteed Profit:
                            -
                        
                            -

Welcome to our Tools section

Prediction Market Calculator

True Contract Price

Expected Value Analysis

Sportsbook Odds Comparison

Your Original Position (Prediction Market)

Hedge Your Position

Your Original Bet (Sportsbook)

Hedge Your Bet

Hedge Recommendation

Adjust Your Hedge

💰 Investment Summary

Profit Scenarios

Platform A

Platform B

Your Bankroll

Prediction Market

Sportsbook (Opposite Side)

Your Bankroll

Arbitrage Check

📊 Your Arbitrage Bets

💰 Guaranteed Profit

📋 Step-by-Step Instructions