Circle's USDC stablecoin has achieved a remarkable 29-fold increase in year-over-year growth, dominating the institutional over-the-counter (OTC) trading landscape in the first half of 2025. Stablecoins, led by USDC, accounted for 75% of the OTC trading volume, underscoring their growing importance in institutional trading. This surge in USDC's market presence reflects a broader trend of increasing adoption and reliance on stablecoins by institutional investors, who are drawn to their stability and liquidity. The data highlights the pivotal role stablecoins are playing in the evolving cryptocurrency market.