According to @PolynomialFi, many traders convert ETH to USDC, pay swap fees, deposit as margin, then withdraw and swap back to ETH after the trade, incurring unnecessary conversion costs. source: PolynomialFi on X According to @PolynomialFi, the actionable workaround is to post ETH as collateral directly for margin rather than swapping to USDC, which aims to cut redundant swaps and associated fees in perpetual futures workflows. source: PolynomialFi on X