According to Polynomial (@PolynomialFi), stakers will receive weekly rewards of 7,500 OP in addition to 60% of the trading fees. The expected APR ranges between 36-61%, offering significant returns for participants. Users can deposit USDC, sDAI, and sUSDe to participate. Furthermore, stakers can earn 5x Ethena Labs sats and Usual Money tokens, presenting additional incentives for engagement.