Mango Markets
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Liquidations
  • Liquidations occur when account Maintenance Health is below 0.
  • Partial Liquidations are possible.
  • Liquidations are permissionless and open to anyone for a liquidation fee reward.
  • Oracle price is used to determine value of assets and liabilities.

Liquidations

Every MangoAccount must have a maint_health above zero. If it slips below zero, liquidators can start liquidating the account until the init_health is above zero. The liquidator will forcibly cancel all open orders, before paying off any liabilities in the account and withdrawing the assets (defined as positive perp balances or token deposits). The liquidator earns the liquidation_fee which differs for each spot asset and perp contract.
If at the end of a Liquidate instruction the account has no more assets but still has liabilities, then the account is placed under bankruptcy. During bankruptcy the liquidator continues offsetting liabilities, but receives USDC from the insurance fund. Finally, if there is no more USDC in the insurance fund, there will be a socialised loss event. There are seven liquidation-related instructions that can be called on Mango Markets V3:
  • ForceCancelSpotOrders
  • ForceCancelPerpOrders
  • LiquidateTokenAndToken
  • LiquidateTokenAndPerp
  • LiquidatePerpMarket
  • ResolveTokenBankruptcy
  • ResolvePerpBankruptcy
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Liquidations