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BSC MEV Balance Tracker

The BSC MEV (Maximal Extractable Value) Balance Tracker API provides real-time balance updates related to MEV activities, including transaction fee rewards, block builder rewards, and other MEV-related balance changes.

Monitor balance changes related to MEV activities, including transaction fee rewards and block builder rewards. Try the API here.

subscription {
  EVM(network: bsc) {
    TransactionBalances(
      where: { TokenBalance: { BalanceChangeReasonCode: { eq: 5 } } }
    ) {
      Block {
        Time
        Number
      }
      TokenBalance {
        Currency {
          Symbol
        }
        PreBalance
        PostBalance
        Address
        BalanceChangeReasonCode
        PostBalanceInUSD
      }
      Transaction {
        Hash
      }
    }
  }
}

Balance Change Reason Code for MEV:

  • Code 5: BalanceIncreaseRewardTransactionFee - Transaction tip increasing block builder's balance (MEV-related)

Track Block Builder Rewards​

Monitor transaction fee rewards received by block builders (MEV extractors): Try the API here.

subscription {
  EVM(network: bsc) {
    TransactionBalances(
      where: {
        TokenBalance: { BalanceChangeReasonCode: { eq: 5 } }
        Block: { Number: { gt: "0" } }
      }
    ) {
      Block {
        Time
        Number
      }
      TokenBalance {
        Currency {
          Symbol
        }
        PreBalance
        PostBalance
        Address
        BalanceChangeReasonCode
        PostBalanceInUSD
      }
      Transaction {
        Hash
        GasPrice
      }
    }
  }
}

Filter by MEV Bot or Builder Address​

Track balance changes for specific MEV bots or block builders: Try the API here.

subscription {
  EVM(network: bsc) {
    TransactionBalances(
      where: {
        TokenBalance: {
          Address: { is: "0xMEVBotOrBuilderAddressHere" }
          BalanceChangeReasonCode: { eq: 5 }
        }
      }
    ) {
      Block {
        Time
        Number
      }
      TokenBalance {
        Currency {
          Symbol
        }
        PreBalance
        PostBalance
        Address
        BalanceChangeReasonCode
        PostBalanceInUSD
      }
      Transaction {
        Hash

        GasPrice
      }
    }
  }
}

Track Large MEV Transactions​

Monitor large transaction fee rewards that may indicate significant MEV extraction: Try the API here.

subscription {
  EVM(network: bsc) {
    TransactionBalances(
      where: {
        TokenBalance: {
          BalanceChangeReasonCode: { eq: 5 }
          PostBalanceInUSD: { gt: "1000" }
        }
      }
    ) {
      Block {
        Time
        Number
      }
      TokenBalance {
        Currency {
          Symbol
        }
        PreBalance
        PostBalance
        Address
        BalanceChangeReasonCode
        PostBalanceInUSD
      }
      Transaction {
        Hash

        GasPrice
      }
    }
  }
}

Aggregate MEV Rewards​

Calculate total MEV rewards for a specific address or time period: Try the API here.

{
  EVM(dataset: realtime, network: bsc) {
    TransactionBalances(
      where: {
        TokenBalance: {
          Address: { is: "0xMEVBotOrBuilderAddressHere" }
          BalanceChangeReasonCode: { eq: 5 }
        }
      }
    ) {
      TokenBalance {
        Currency {
          Symbol
        }
        totalRewards: sum(of: TokenBalance_PostBalanceInUSD)
        totalRewardsETH: sum(of: TokenBalance_PostBalance)
        rewardCount: count
      }
    }
  }
}