Pari-Mutuel Betting Calculator - Calculate Pool Betting Payouts
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pari-mutuel calculator
calculate your potential payout in pool betting. works for horse racing, prediction markets, and any pari-mutuel system.
Enter Your Numbers
SOL
SOL
SOL
2.50%
If You Win
Gross Payout
15.0000 SOL
Platform Fee
-0.3750 SOL
Net Payout
14.6250 SOL
Profit
+4.63
Odds
1.46x
ROI
+46.3%
Formula:
payout = (your_bet / winning_pool) × total_pool × (1 - fee)how pari-mutuel payouts work
1
bets pool together
all bets on all outcomes go into one shared pool. no bookmaker sets the odds.
2
winners split pool
when the event resolves, winners share the entire pool based on their bet size.
3
fair market odds
odds reflect true market sentiment. more people betting against you = higher payout.
quick reference: common scenarios
| Your Bet | Your Pool | Total Pool | Payout (2.5% fee) | Odds |
|---|---|---|---|---|
| 10 SOL | 100 SOL | 150 SOL | 14.63 SOL | 1.46x |
| 10 SOL | 50 SOL | 150 SOL | 29.25 SOL | 2.93x |
| 10 SOL | 25 SOL | 150 SOL | 58.50 SOL | 5.85x |
| 10 SOL | 10 SOL | 150 SOL | 146.25 SOL | 14.63x |
learn more about pari-mutuel betting
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