The total stablecoin market cap hits $314.39B, with USDT leading at $183.6B and a 59.65% dominance. USDC follows at $73.99B. This article ranks top stablecoins by market cap and analyzes USDT's impact on the crypto ecosystem.

Stablecoin market cap reaches $314.39B as USDT leads with $183.6B and 59.65% dominance. USDC ($73.99B) follows, while Ethena USDe, DAI, and others rank lower. Data as of July 5, 2026.