US spot bitcoin ETFs printed +$31.0 million on Monday 28 September 2026.

IBIT printed +$54.8 million. GBTC printed −$23.2 million. FBTC printed −$10.9 million. BTC printed +$10.3 million. BITB, ARKB, BTCO, EZBC, BRRR, HODL, BTCW, and MSBT printed 0.

That follows Friday 25 +$134.5 million (IBIT +$97.0 million / FBTC +$49.3 million / BITB −$11.8 million). Friday 25 is unrevised.

Same-session US spot ether ETFs printed +$17.1 million (ETHA +$15.4 million / TETH +$1.7 million). ETHB, FETH, ETHW, ETHV, QETH, EZET, MSSE, ETHE, and ETH printed 0.

Friday 25 ether ETFs printed +$87.0 million (ETHA +$50.4 million / ETHB +$31.9 million / FETH +$4.7 million).

Cumulative US spot bitcoin ETF flow is +$57.647 billion (Farside published Total 57,647).

Friday 28 August recorded −$201.9 million. Friday 25 +$134.5 million is prior. Monday 21 +$999.0 million is an earlier session. Friday 18 +$433.0 million is an earlier session. Thursday 17 +$159.5 million is an earlier session. Wednesday 16 −$295.9 million is an earlier session. Tuesday 15 −$450.4 million is an earlier session.

Session limit: this report contains no verified Tuesday 29 September ETF-flow observation.

As-of Mon 28 Sep 2026.

Liquid State assessment: ETF flows describe activity in these funds. They do not by themselves establish why bitcoin or ether prices moved. Compare the dated flow evidence with subsequent market observations.