Crypto

Bitcoin ETF Inflows Soar to $1.7B as BTC Surges Past Estimated Cost Basis

Guavy AI Editorial Team Published September 23, 2026

Instruments

BTC

US spot Bitcoin exchange-traded funds (ETFs) recorded massive net inflows of $1.7 billion over two days, as Bitcoin traded above the estimated cost basis of the average ETF investor.

The total net assets across US spot Bitcoin ETFs reached around $111 billion on Tuesday, up 56% from their 2026 low of roughly $71 billion on June 30.

BlackRock's iShares Bitcoin Trust (IBIT) led Tuesday's inflows with $350 million, followed by Fidelity's Wise Origin Bitcoin Fund (FBTC) with $257 million and Grayscale Bitcoin Mini Trust with $99 million.

Bloomberg Intelligence ETF analyst James Seyffart said Monday that the average Bitcoin ETF holder was back above water for the first time since January, as Bitcoin moved above his estimated ETF cost basis of $81,722 per coin.

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