Swappers provide liquidity and execute trades. They receive trading fees charged for each swap.

Mean Finance is a protocol that enables users to Dollar Cost Average (DCA) any ERC20 into any ERC20 with their preferred period frequency.

Mean Finance team owns and governs the protocol. They currently take a cut of the total trading fees paid by traders (revenue).

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Mean Finance

# Mean Finance Earnings Methodology

## 1. Overview

Mean Finance earnings represent the net profit generated by the protocol from Dollar Cost Averaging (DCA) trading services across multiple blockchain networks. The metric follows standard accounting principles where Earnings = Revenue - Expenses. Revenue comes from platform fees collected on DCA swap transactions, while expenses (token incentives) are currently set to zero, making earnings equal to revenue. This metric answers the business question: "How much profit does Mean Finance generate from its DCA trading services?"

## 2. Data sources

The calculation relies on the following raw data sources:
- **Blockchain event logs**: Parsed `DCAHub_Swapped` events from Ethereum, Optimism, Polygon, Arbitrum, and BSC containing swap execution details and platform fee information
- **Factory creation events**: `StakeableEulerERC4626Factory_CreateERC4626`, `EulerERC4626Factory_CreateERC4626`, `AaveV3ERC4626Factory_CreateERC4626`, and `VenusERC4626Factory_CreateERC4626` events that track ERC4626 wrapped token creation across multiple chains
- **Proxy creation events**: `BeefyWrapperFactory_ProxyCreated` events from BSC for Beefy wrapper token identification
- **Token approval events**: ERC20 `Approval` events from BSC used to identify Beefy wrapper token addresses
- **External data**: End-of-day token price feeds for USD conversion and token metadata for decimal correction

## 3. Step-by-step calculation

### Component A: Revenue collection from DCA swaps
- **Purpose**: Extract platform fees collected from Dollar Cost Averaging swap transactions across all supported chains
- **Logic**: Parse `DCAHub_Swapped` events from five blockchain networks (Ethereum, Optimism, Polygon, Arbitrum, BSC). Each swap event contains a `swapInformation.tokens` array where each token entry includes a `platformFee` field. Cross-join events with their token arrays to extract individual platform fee amounts per token. Classify all revenue under the "Exchange AMM" business line within the "dex" business segment
- **Key fields**: `platformFee` amounts from token arrays, `block_timestamp` for daily aggregation, contract `address` as account address, and `token` addresses for price conversion

### Component B: ERC4626 wrapped token revenue inclusion  
- **Purpose**: Capture additional revenue from ERC4626 wrapped tokens that may generate fees through the same swap mechanism
- **Logic**: Build an allowlist of ERC4626 wrapped token addresses by tracking factory creation events across multiple protocols (Euler, Aave V3, Venus) and chains. For BSC Beefy wrappers, use proxy creation events joined with approval events to identify token addresses. Join the main revenue collection with this allowlist to include fees where the original token address matches an ERC4626 wrapped token account address
- **Key fields**: `vault` addresses from creation events as account addresses, `asset` addresses as token addresses, and chain identifiers for proper matching

### Component C: Token incentives (expenses)
- **Purpose**: Calculate total expenses, primarily consisting of token incentives paid to users or liquidity providers  
- **Logic**: Set token incentives to zero for all time periods and chains, as Mean Finance currently does not distribute token incentives. Use the same timestamp and chain structure as the fees calculation to maintain consistency
- **Key fields**: `token_incentives` hardcoded to 0, with matching `timestamp`, `timestamp_grain`, `product_id`, and `chain_id`

### Final aggregation
- **Combining components**: Revenue data is converted to USD using end-of-day price feeds and corrected for token decimals. Daily aggregation sums all platform fees by timestamp, chain, and product. Expenses (token incentives) are subtracted from revenue using the standard earnings formula
- **Currency conversion**: All token amounts are converted to USD using end-of-day price feeds matched by token address and date. Token decimal places are corrected using metadata to ensure proper amount calculation
- **Time aggregation**: Data is aggregated daily using timestamp truncation to day boundaries. Missing days are forward-filled with zeros to ensure complete time series
- **Final calculation**: Earnings equals Revenue minus Expenses. Since expenses are zero, earnings equals revenue. The metric includes chain-specific availability filtering to ensure data is only reported for periods when each chain was actively monitored

*This methodology was automatically generated by Token Terminal's methodology analyzer.*

Net profit (also profits, net income, profitability) — revenue remaining after subtracting expenses.

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