Circle and OKX are expanding USDC liquidity and trading access across spot, margin and futures markets.Eligible OKX users will have more ways to trade in USDC denominated markets under the expanded partnership.OKX has launched a USDC Margin Growth Program offering qualifying users a monthly 100 USDC reward funded by Circle.The latest move extends an existing partnership that has covered USD to USDC conversions and native USDC support on OKX’s X Layer.