$USDC USDC ($USDC) holds steady at $1.00, with a $61.56B market cap and $10.83B in 24-hour volume as of June 18, 2025. The GENIUS Act’s passage strengthens USDC’s position, enforcing strict reserve and AML rules, giving Circle an edge over Tether. Posts on X suggest bullish sentiment, with a 15% supply rise since the bill’s news. USDC’s role in DeFi and cross-border payments grows, with Visa and Mastercard integrating it. Despite a 11.84% volume drop, institutional trust is rising. Watch for increased adoption as banks embrace regulated stablecoins. $USDC