Coinbase Bitcoin Premium Index has been negative for 8 consecutive days, which is not an ordinary technical indicator but a sign that purchasing power in the U.S. market is systematically withdrawing.

The premium index measures the difference between Coinbase prices and the global average price; a negative value indicates greater selling pressure and weaker buying interest among U.S. investors.
Combined with the $2.26 billion outflow from Bitcoin ETFs over two weeks, this is not just retail panic—institutional funds are retreating, and the U.S. market is the main battleground for ETFs.
Behind this is a repricing of macro expectations. Overall fund inflows into U.S. ETFs hit a record high, averaging $8.5 billion daily, but crypto ETFs are bleeding funds.
Capital is shifting from risk assets to traditional ETFs, with Bitcoin serving as a liquidity exit.
But the flip side: when the U.S. premium index is deeply negative and persists for multiple days, it often corresponds to a local bottom historically.
Santiment also pointed out that large-scale ETF outflows often trigger reverse buy signals.
The key is not predicting prices but observing who is taking the buy—if selling pressure comes from the U.S. and Asian or over-the-counter funds start absorbing, the structure is changing.
The risk is: if the macro environment in the U.S. continues to tighten (as Waller hinted at balance sheet reduction), capital outflows may not be short-term.
The longer the negative premium persists, the weaker market confidence in U.S. pricing power, and Bitcoin may enter a regional pricing phase.
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