The stablecoin market has contracted to $309.29 billion as of December 20, 2025, with a net outflow of $823.09 million over the past week. Blackrock's BUIDL stablecoin experienced a 6.22% decline, dropping from the top ten to the 12th position in market rankings. Tether (USDT) continues to dominate with a 60.23% market share, while Circle's USDC saw a significant reduction, losing $1.311 billion. Despite the overall market contraction, several stablecoins, including USDS, PYUSD, USDY, RLUSD, USDG, and USD1, recorded gains. This shift in the stablecoin landscape underscores the dynamic nature of the sector, with varying performances among major players.