A key gauge of U.S. institutional Bitcoin demand has been flashing the same warning signal for nearly seven weeks, according to crypto analyst Ali Martinez, who posts on X as Ali Charts.
Martinez highlighted the ongoing streak in a post late Tuesday.
Forty-six days without a positive reading
Martinez pointed to the Coinbase Premium Index, which has remained below zero since mid-May, a 46-day stretch in negative territory.
The metric tracks the price gap between Bitcoin on Coinbase and offshore exchanges, and a negative reading means Bitcoin has been trading cheaper on Coinbase than on international venues.
That gap matters because Coinbase is widely viewed as the primary on-ramp for U.S. institutional capital. A sustained negative premium, in Martinez’s framing, suggests that buying pressure from American institutions has effectively dried up over this period.
Martinez tied the signal to a broader trend already visible in spot Bitcoin ETF flows, where U.S.-listed funds have faced consecutive weeks of net capital flight.
The two data points, taken together, paint a consistent picture rather than an isolated anomaly, institutional demand pulling back across multiple channels at once, rather than just one indicator looking weak in isolation.
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Smart money waiting on the sidelines
Martinez’s read on the underlying cause centers on macroeconomic uncertainty. Rather than exiting the market outright, U.S. institutional capital appears to be parked on the sidelines, waiting for clearer macro signals before re-entering an accumulation phase.
“A negative premium means BTC is trading cheaper on Coinbase, suggesting that U.S. institutional buying pressure has dried up,” Martinez wrote.
That distinction matters for how the data should be interpreted.
A prolonged negative premium doesn’t necessarily indicate panic selling, it points more toward a pause in fresh buying, with large allocators choosing to wait rather than commit new capital into uncertain conditions.
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“American smart money appears to be sitting on the sidelines, waiting for macroeconomic clarity before re-entering the accumulation phase,” the analyst wrote in the post.
Why the streak’s length stands out
Forty-six days is a meaningful stretch for this particular indicator to remain in negative territory continuously.
