Total stablecoin market capitalization rose $2.79 billion during September 21–27, 2026, pointing to continued capital inflows even as market activity softened. Decentralized-exchange (DEX) spot volume fell 6.44% week over week and perpetual futures volume declined 1.71%, while overall protocol revenue increased 3.41%, driven by a 53,514% jump in USD AI revenue. Four public companies added a combined 2,938 BTC worth $246.07 million to their treasuries. Strategy bought 1,666 BTC for $139.53 million, and Bitmine acquired 17,362 ETH valued at $46.82 million, highlighting sustained institutional demand for major crypto assets.