There is one question every DeFi user should ask before depositing into a vault: Who is paying my yield, and why? If the answer is merely “token incentives,” the yield is probably customer acquisition dressed up as revenue fxSAVE is a vault built over the $fxUSD and $USDC Stability Pool by Instead of distributing rewards such as wstETH directly, it automatically compounds them into additional stablecoins The result is a tokenised position in the protocol’s stability layer Effectively, it is a yield-bearing stablecoin vault whose return is connected to collateral productivity and leverage demand The yield stack has several components: First, leverage traders pay opening and closing fees. Currently a 0.3% opening fee and a 0.1% closing fee for ETH and BTC xPOSITIONs and sPOSITIONs. Second, fxMINT borrowers pay 0.5% when opening debt and 0.2% when closing it, rather than a recurring annual interest rate under ordinary conditions Third, the collateral itself is productive: ETH positions are backed with wstETH, generating staking yield while held in the reserve. Fourth, governance has authorised portions of Stability Pool USDC and reserve wstETH to be deployed into Aave. Current risk parameters cap each deployment at 80%. Finally, the pool can receive unused slippage, rebalance-related revenue and temporary funding costs when the protocol needs additional incentives to restore balance. The distribution rules reveal why DefiLlama’s “fees” and “protocol revenue” figures differ so sharply For ETH xPOSITION and fxMINT opening and closing fees, the current split is: 70% to the Stability Pool. 30% to protocol revenue. For BTC positions, the split is 50/50. Reserve yield goes entirely to the Stability Pool. The Stability Pool’s early-exit fee also stays entirely inside the pool. Certain collateral yields and temporary funding payments are dynamically divided between the Stability Pool and directional positions according to system conditions. This means f(x) is deliberately sacrificing maximum treasury extraction to strengthen the balance sheet. A fee paid by a trader is not automatically treated as profit. Much of it becomes: Yield for stablecoin capital. Additional peg liquidity. Compensation for system risk. An incentive to restore balance between longs and shorts. That distinction matters. During the research, DefiLlama showed approximately $289,243 in 30-day fees but only $23,046 in 30-day protocol revenue. The resulting treasury take rate was approximately 8%. At first glance, that looks weak. In reality, it reflects a design choice. The majority of economic value is frequently returned to the capital making the system functional rather than extracted by the DAO. The superior framing for fxSAVE is therefore not: “Here is a stablecoin paying X%.” It is: “Here is a tokenised claim on the revenue and collateral productivity of an onchain leverage system.” That revenue should still be expected to fluctuate. When leverage activity falls, fee income can decline. When staking or Aave rates compress, reserve yield falls. When $fxUSD composition changes, the Stability Pool may earn more or less. Real yield is real precisely because it responds to actual economic conditions. There are also genuine risks: USDC exposure inside the Stability Pool. Smart-contract and liquidity risk. Keeper and oracle dependencies. fxUSD peg risk. The 1% instant-exit fee, which can be avoided through the cooldown process. None of those disappear because a vault is denominated in dollars. But this is still a considerably more coherent design than paying depositors with an inflationary governance token while hoping someone eventually creates a business model fxSAVE converts leverage demand, collateral yield and peg-maintenance work into stablecoin yield The depositor is not being paid merely to arrive They are being paid because their liquidity performs a necessary job That is what DeFi real yield should mean.