Liquidation Mechanism
Partial Liquidation First
When a position breaches maintenance margin:
Step 1: Partial Reduction
- Position is reduced proportionally 
- Goal: Restore account to safe margin levels 
- Minimizes capital loss for trader 
- Prevents unnecessary full liquidations 
Step 2: Full Liquidation (If Needed) Only if partial liquidation insufficient:
- Entire position closed 
- Liquidation penalty applied 
- Insurance fund covers any shortfall 
Liquidation Penalty Calibrated to:
- Prevent predatory liquidations 
- Discourage excessive leverage 
- Ensure liquidators have incentive 
- Maintain system health 
Insurance & Backstop Mechanisms
Insurance Fund
- Protocol-owned reserve funded by liquidation penalties 
- Covers losses when liquidations occur below maintenance margin 
- Transparent balance published on-chain 
Backstop Auction In extreme scenarios where insurance is insufficient:
- Position auctioned to liquidators 
- Dutch auction format (price decreases over time) 
- Ensures orderly liquidation even in illiquid conditions 
- Protects against cascading failures 
Social Loss Distribution Last resort if all backstops exhausted:
- Losses distributed proportionally across profitable traders 
- Transparent and verifiable process 
- Historical precedent from successful exchanges 
Liquidation Example
Scenario: Trader has 10 ETH-PERP long at $3,000 (30,000 USD position)
- Initial margin: 10% ($3,000) 
- Maintenance margin: 5% ($1,500) 
- Current collateral: $2,000 
ETH drops to $2,900:
- Position value: $29,000 
- Margin requirement: $1,450 (still safe ✅) 
ETH drops to $2,800:
- Position value: $28,000 
- Margin requirement: $1,400 
- Liquidation triggered ⚠️ 
Partial Liquidation:
- 5 ETH-PERP closed at $2,800 = $14,000 reduction 
- Remaining position: 5 ETH-PERP long 
- New position value: $14,000 
- Margin requirement: $700 
- Current collateral: $2,000 - loss 
- Account restored to health ✅ 
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