U.S. spot Bitcoin ETFs added just $31.07 million on Sept. 28 — the smallest daily inflow of September — yet still extended an eight-day positive streak, according to CoinGabbar and Phemex News / TokenPost (Sept. 29) citing SoSoValue. BlackRock IBIT led with +$54.84 million that day while Grayscale GBTC posted an outflow of about $23.19 million.

Total net assets across the group sit near $107.82 billion (~6.42% of BTC market cap). Cumulative net inflows are about $57.58 billion. Separately, Strategy (Michael Saylor) bought 1,665 BTC for roughly $142.66 million last week at an average near $85,681, lifting holdings to 847,666 BTC.

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Soft day ≠ trend break

One quiet session after a multi-billion-dollar week is a cool-off, not automatic proof the streak dies next. Live marks Tuesday morning (~9:20 a.m. MT via Robinhood) put BTC near $83,271. Flow tables can flip session to session. Not investment advice.

Sources