According to @PolynomialFi, the platform offers zero trading fees. Source: @PolynomialFi. It supports trading using ETH, BTC, or staked assets rather than only USDC. Source: @PolynomialFi. It enables cross margin so traders can open multiple positions with the same margin. Source: @PolynomialFi. It uses hybrid execution via AMM plus an order book. Source: @PolynomialFi. It lists 70+ markets. Source: @PolynomialFi. It is secured by Ethereum through a dedicated Polynomial L2. Source: @PolynomialFi.