Stablecoin Market Cap Hits $323.3B as Weekly Inflows Reach $1.5B

Published: 2026-05-16 17:38:15 |

Stablecoin market cap rose to $323.343B over the past seven days on $1.542B in weekly inflows, pushing the sector to a new peak. The latest data also shows liquidity rotating toward top dollar-pegged issuers, led by USDT and USDC. Tether (USDT) stayed the dominant stablecoin, adding about $68.2M and holding roughly 58.67% of market share, with market cap near $189.7B. Circle’s USDC softened, down 1.22% on the week to around $77.068B, with weekly flows slightly negative. Among other moves, Sky’s USDS jumped 11.50% to $8.791B and is nearing $10B as it attracted about $906M in new capital. USDG gained roughly +9% to $2.658B area, while Ethena’s USDe rose to about $3.96B (the later report also flags a 6.77% rise). PYUSD (PayPal) increased ~1.3%, and BlackRock’s BUIDL climbed around 8.01%. Broadly, the stablecoin market remains mixed (e.g., DAI slightly lower vs. USD1 up), but the trader takeaway is clear: stablecoin market cap growth is being supported by continued inflows, with rotation favoring dollar-pegged liquidity rather than a broad-based risk-off move.

Bullish

Stablecoin market cap rising to a new peak alongside positive weekly inflows suggests renewed demand for dollar-pegged liquidity. USDT’s continued share dominance supports overall market depth, while strength in USDS and USDG (and the rebound in USDe) indicates that traders and issuers are actively rotating into yield- and dollar-linked stablecoin rails rather than reducing exposure. In the short term, the inflow-driven expansion of stablecoin market cap can ease liquidity constraints and support broader crypto trading conditions (especially for pairs that rely on stablecoin funding). In the long run, persistent inflow rotation toward top issuers may stabilize stablecoin premiums/discounts and reduce fragmentation risk across venues. However, USDC’s slight weekly decline and mixed performance among smaller assets (e.g., DAI) imply the rally is not uniformly risk-on across all stables. Still, the net effect—fresh inflows lifting stablecoin market cap—leans bullish for the stablecoin complex and the trading environment it powers.