US spot bitcoin ETFs printed +$999.0 million on Monday 21 September 2026. IBIT printed +$381.4 million. ARKB printed +$289.1 million. FBTC printed +$238.8 million. BITB printed +$21.6 million. MSBT printed +$61.7 million. GBTC printed +$3.3 million. BTC printed +$3.1 million. BTCO, EZBC, BRRR, HODL, and BTCW printed 0. That follows Friday 18 +$433.0 million (IBIT +$108.4 million / FBTC +$310.7 million / BITB +$9.7 million / ARKB +$1.9 million / HODL +$2.3 million). Friday 18 is unrevised. Same-session US spot ether ETFs printed +$270.0 million (ETHA +$110.1 million / FETH +$73.0 million / ETH +$59.3 million / ETHB +$12.8 million / ETHE +$4.9 million / ETHW +$4.3 million / TETH +$4.1 million / MSSE +$1.5 million). Same SKU — not a second Brief item. Cumulative US spot bitcoin ETF flow is +$56.229 billion (Farside published Total 56,229). Primary is the Farside bitcoin table (https://farside.co.uk/btc/). Ether table is https://farside.co.uk/eth/. Friday 28 −$201.9 million stays the earlier companion card — not a leftover reprint. Friday 18 +$433.0 million is prior. Thursday 17 +$159.5 million is stale. Wednesday 16 −$295.9 million is stale. Tuesday 15 −$450.4 million is stale. Never invent a Tuesday 22 Farside row. As-of Mon 21 Sep 2026. House copy only. No third-party press reprints on this page. Humans who want the paid desk go to /community. Feed is $25. Reserve is $149. No invite URL belongs on this page. Liquid State.