There was this proposal a while ago:*
”This proposal recommends replacing Aave’s current AAVE buyback process (managed by the Aave Finance Committee (AFC) and service provider Tokenlogic on Ethereum mainnet) with an automated Time-Weighted Average Market Maker (TWAMM) solution…”
It seemed to die on the vine, fairly or otherwise.
“To minimize risk, I can guarantee on behalf of Ekubo, Inc. a realized execution price within 1% of the average price for up to $250k of buybacks for the trial. Specifically, if the DAO does not receive within 1% of the time-weighted average price over the period, based on Coingecko data, the company Ekubo, Inc. will reimburse the DAO for the difference up to the total amount minus 1% (= $247.5k).”