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Parlay Fees

Parlays have a unique fee structure that compounds across legs while maintaining the same risk-based principles as single bets.

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How Parlay Fees Work

Each leg of a parlay incurs fees that compound together: 
Total Parlay Fee = System Fee + Compounded Market Fees

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System Fee

  • 0.3% base fee applied to the gross parlay amount
  • Same as single bets

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Market Fee (Per Leg)

Each leg has its own market fee based on that game’s current vault exposure: 
Leg Fee Rate = Current Imbalance / Vault Assets
The fees compound multiplicatively across all legs.

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Example: 3-Leg Parlay

Setup:
  • Gross bet: $100
  • Leg 1: 1.5% market fee rate
  • Leg 2: 2.0% market fee rate
  • Leg 3: 0.5% market fee rate
Calculation: 
System fee: $100 × 0.3% = $0.30
After system fee: $99.70

Leg 1: $99.70 × (1 - 1.5%) = $98.21
Leg 2: $98.21 × (1 - 2.0%) = $96.24
Leg 3: $96.24 × (1 - 0.5%) = $95.76

Total fee: $100 - $95.76 = $4.24 (4.24%)

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Key Differences from Single Bets

AspectSingle BetsParlays
Fee cap3% maximumNo cap - fees compound
System fee0.3%0.3%
Market feeLinear averageMultiplicative compounding

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Why No Cap on Parlays?

Parlays inherently carry more risk:
  • Multiple games must all hit
  • Longer exposure time
  • Higher potential payouts
The compounding fee structure reflects this compounded risk while still rewarding users who pick balanced legs.

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Minimizing Parlay Fees

To get the best rates on parlays:
  1. Pick underbet sides - Legs on less popular sides have lower market fees
  2. Avoid heavily loaded games - High-exposure games have higher per-leg fees
  3. Balance your selections - Mixing favorites and underdogs often results in lower total fees

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Parlay Cashout

Parlays can be cashed out before completion. The cashout calculation uses: 
Cashout Value = Current Probability × Potential Payout × (1 + Fee Rebate)
The fee rebate scales with how much value your position has gained since entry:
  • Position doubled in value → 2× the initial fee as rebate
  • Position tripled → 3× rebate
This rewards successful parlay picks even on partial cashout.