Aave's Ethereum Core market now charges a 4.5% borrowing rate on GHO, aligning the stablecoin's borrowing cost with the 4.5% savings rate that DAO service provider TokenLogic reported on Oct. 2. The increase, visible in Aavescan's daily snapshots between the Oct. 3 and Oct. 4 midnight UTC readings, is designed to close an arbitrage gap that the DAO itself was funding — and to begin rebuilding a depleted USDC GHO Stability Module (GSM).

The mechanics of the gap were straightforward. TokenLogic's Oct. 2 governance notice explained that borrowers could previously pay 4.25% to acquire GHO on Core while earning 4.5% through sGHO, the protocol's savings token, leaving the DAO to cover the 25-basis-point difference. With the savings rate unchanged, the new Core rate eliminates that spread.

What exactly changed?

TokenLogic proposed two parameter moves in the Oct. 2 notice:

• A base rate increase from 2.75% to 3%.
• An APR at optimal utilization of 4.25%, up from 4%.

The Prime market, tracked separately on Aavescan, displayed 4.17% on Oct. 5 at 86.35% utilization, versus 4.22% in its midnight snapshot — indicating the Core alignment applies only to Core, not to Prime.

Core's midnight snapshots recorded 116 million GHO borrowed on Oct. 2 and 115.8 million on Oct. 5, a marginal decline that by itself says little about whether the policy is working.

Why repayment alone doesn't fix the reserves

The critical question, as TokenLogic framed it, is not how much GHO debt gets repaid but how borrowers acquire the GHO they use to repay. The service provider describes two routes:

• Buying GHO on the secondary market, which can support the token's market price but adds nothing to redemption inventory.
• Exchanging USDC or USDT through a GSM, which brings stablecoins into the reserve that another GHO holder can later redeem against.

This is why a fall in outstanding debt is an incomplete measure of conversion liquidity. Repayment can occur entirely through secondary-market purchases without a single USDC entering a module. Improved conversion liquidity requires stablecoins arriving in the reserves — a condition the rate change encourages but does not guarantee.

The inventory problem is structural. Under the RemoteGSM architecture TokenLogic described in March, governance-approved facilitators supply preminted GHO to a GhoReserve, and GSMs draw and restore it under assigned limits. Room to distribute GHO is separate from the stablecoin inventory available for redemption. A higher limit can permit incoming swaps, but users still have to deliver the USDC or USDT.

How deep is the inventory shortfall?

Concrete figures are scarce and not directly comparable. Aave Labs' institutional proposal, posted to governance and advanced to Snapshot on Oct. 1, reported 19.2 million USDT on Ethereum and 40.7 million USDT on Plasma as of Sept. 24 — 59.9 million USDT in total, excluding USDC instances whose redeemable balances were negligible. TokenLogic's Oct. 2 update reported roughly 22.5 million USDT in a USDT GSM without specifying the network scope. Neither statement supplies matched Oct. 5 balances, so an aggregate decline cannot be established from the available data.

Kairos Research's September analysis, using Sept. 8 readings, adds context on the Plasma route: 40.6 million in nominal Plasma GSM redemption inventory against 38.6 million in underlying lending-pool cash. Kairos also estimated at least 9.7 hours of rate-limit time to move 40 million GHO to Plasma under the bridge settings it measured — assuming a full initial bucket, no competing traffic, and excluding message delivery and subsequent conversion steps.

Fees add another layer. TokenLogic's September parameter notice proposed 15-basis-point USDC redemption fees on Ethereum, Monad and Arbitrum, a 10-basis-point Ethereum USDT fee, and zero mint fees, though its implementation language does not establish current executed fees.

Why the institutional proposal raises the stakes

Aave Labs is seeking a 25-million-GHO facilitator alongside a separate route borrowing up to $25 million of USDC or USDT against DAO balance-sheet assets. The initial balance-sheet route would use no GSM conversion inventory. For the GHO route, the proposal prioritizes matched sGHO inflows, then secondary-market liquidity, then GSM reserves.

TokenLogic's Sept. 30 response attached a condition with operational weight: matched inflows must persist for at least as long as the borrower's draw. A matched inflow can supply lending currency while preserving GSM inventory, but if the funding evaporates mid-loan, the liquidity pressure returns.

The distinction matters because Aave's native sGHO documentation states that deposited funds are not rehypothecated — the duration condition applies to the proposed institutional funding arrangement, not to the savings vault itself.

Success, when it becomes measurable, will look like stablecoin inventory arriving in the modules and remaining available for conversion through executable routes that account for fees, pool cash and cross-chain access. Until those Oct. 5 and later balances are published, the higher Core APR stands as a verified change in borrowing cost whose liquidity benefit depends entirely on where borrowers and new depositors send their money.