U.S. spot Bitcoin (CRYPTO: BTC) ETFs shed $519 million on Tuesday while altcoin ETFs stayed green across the board as Bitcoin crashed to $66,000 overnight.

BlackRock Alone Sold $440M As Five-Week Outflow Total Hits $5B

The broader picture is worse. Bitcoin ETFs have shed $5 billion over the past four weeks while Ethereum (CRYPTO: ETH) ETFs recorded $911.75 million in outflows over five weeks. 

Tuesday’s selling alone represented 17 days worth of mined Bitcoin supply exiting through U.S. spot ETFs in a single session.

Ethereum ETFs lost an additional $90.15 million, with BlackRock selling 23,765 ETH for $45.25 million and Grayscale selling 15,370 ETH for $29.28 million.

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