Ethereum MEV Balance Tracker

The Ethereum 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.

Track MEV-Boost Relay Transaction Balances

Track balance changes for MEV-boost relay addresses to monitor their activity and rewards. This example uses the BloXroute Max Profit address.

Run query

{
  EVM(network: eth) {
    TransactionBalances(
      where: {
        TokenBalance: {
          Address: { is: "0xF2f5C73fa04406b1995e397B55c24aB1f3eA726C" }
        }
      }
      limit: { count: 10 }
      orderBy: { descending: Block_Time }
    ) {
      Block {
        Time
        Number
      }
      TokenBalance {
        Currency {
          Symbol
        }
        PreBalance
        PostBalance
        PreBalanceInUSD
        PostBalanceInUSD
        Address
        BalanceChangeReasonCode
      }
      Transaction {
        Hash
        From
        To
        Value
        ValueInUSD
        GasPrice
        Index
      }
    }
  }
}

Track MEV-Related Balance Updates

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

subscription {
  EVM(network: eth) {
    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 MEV Payout Transaction Balances with MEV Reward

This query focuses on a block builder address and returns the most recent payouts, including the token metadata, pre/post balances, and USD valuations, so you can quickly see how large each MEV reward was.

Try the API

{
  EVM(network: eth) {
    TransactionBalances(
      limit: {count: 10}
      where: {Transaction: {}, TokenBalance: {BalanceChangeReasonCode: {eq: 6}, Address: {is: "0x396343362be2a4da1ce0c1c210945346fb82aa49"}}}
      orderBy: {descending: Block_Time}
    ) {
      Block {
        Time
      }
      TokenBalance {
        Currency {
          Symbol
          HasURI
          SmartContract
        }
        PreBalance
        PostBalance
        Address
        BalanceChangeReasonCode
        TotalSupplyInUSD
        TotalSupply
        TokenOwnership {
          Owns
          Id
        }
        PostBalanceInUSD
      }
      Transaction {
        Hash
        MEV_reward: Value
        ValueInUSD
      }
    }
  }
}

Track Block Builder Rewards

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

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