Just as the market was immersed in "extreme panic," a silent reversal was quietly taking place in the U.S. trading market. After experiencing a "winter" of negative premium lasting 40 days, the Coinbase Bitcoin premium index finally turned positive at the beginning of March. This subtle but crucial data change acted like a thermometer, indicating that institutional funds in the U.S. are shedding the cold.
1. Key Indicator Turns Positive: U.S. Buyers Are Back
● Data from March 3 indicated that the Coinbase Bitcoin premium index rose to 0.0028%. While this is just a small positive number, its symbolic significance far outweighs its numerical value—this figure had lingered below the zero axis for the past 40 days, meaning the Bitcoin price on mainstream trading platforms in the U.S. had been consistently below the global average.
● To understand the importance of this indicator, one can view Bitcoin as a commodity. When U.S. buyers are more active, prices on Coinbase will naturally rise, forming a positive premium; conversely, when there is heavy selling pressure in the U.S. market or insufficient buying power, a discount will appear. The straightforward interpretation of this reversal is: U.S. market buying power has returned.
2. Resilient Breakthrough Amid Macro "Headwinds"
It is noteworthy that the macro background for this positive premium reversal is not easy.
● The U.S. Dollar Index (DXY) recently climbed to 99.4, approaching a three-month high. Generally, a strong dollar signifies that funds flow into safe-haven assets, putting pressure on risk markets. At the same time, the Nasdaq 100 Index fell by about 1%, and gold prices plummeted by 3.6% in a single day.
● In this traditional asset context of general weakness, Bitcoin managed to hold the $68,000 mark, appearing quite unique.
● Market analysts noticed an interesting phenomenon: the correlation between Bitcoin and tech stocks is weakening. The 30-day rolling correlation coefficient has dropped from 92% a week ago to 69%. This "decoupling" signal has prompted many traders to begin discussing Bitcoin's asset positioning—it seems no longer simply following the fluctuations of the Nasdaq.
3. ETF Capital Flowing: Institutions Are Buying, Whales Are Buying, the Baby Boomer Generation Is Also Buying
If the positive premium index is a signal, then the capital flow into the spot Bitcoin ETFs serves as the main evidence confirming this signal.
● Data shows that over the past five trading days, the U.S. spot Bitcoin ETF has attracted about $1.5 billion in inflows against the market trend. On March 3 alone, the net inflow reached $458.2 million, with trading volume skyrocketing to $5.8 billion, setting a new high since early February.
● BlackRock's IBIT fund has become a major draw, with a net inflow of $264 million in a single day. Mainstream products such as Fidelity, Bitwise, etc., also recorded inflows of tens of millions. This distribution of funds is not a "one-man show" of a single product, but rather shows a tendency towards broad dispersion in major products, reflecting the real recovery of institutional allocation demand.
● What is even more intriguing is the composition of this capital. Bloomberg ETF expert Eric Balchunas bluntly stated that a considerable force behind this buying spree comes from the "Baby Boomer generation" (investors born from 1946 to 1964), humorously calling it a "rescue attempt" once again. Data shows that 17 of the top 25 Bitcoin ETF holders have been continuously increasing their positions since October of last year. Institutions now control approximately 12% of the total Bitcoin supply.
4. Fund Dispersion: Temperature Conduction from Bitcoin to Altcoins
The market recovery is not merely a solo act by Bitcoin. As the spot Bitcoin ETF set the tone, capital sentiment began to expand outward.
● During the same period, the Ethereum spot ETF recorded about $39 million in net inflows, while products related to Solana and XRP saw $17 million and $7 million in funds entering, respectively. This model, where Bitcoin sets the tone and altcoins follow, is interpreted by the market as a typical "heat diffusion" phenomenon.
● Although the scale of altcoin ETFs cannot be compared to Bitcoin, the simultaneous positive inflow at least indicates one thing: this is not a short-term technical rebound but a systematic replenishment of funds.
5. 40 Days of Negative Premium: What Happened During That Time?
● During that time, the market underwent multiple pressure tests: the shadow of the "flash crash" on October 10, 2025, had yet to fully dissipate, concerns about quantum computing possibly impacting cryptographic algorithms surfaced from time to time, and the pace of advancing the U.S. "strategic Bitcoin reserves" was slower than expected, while the investment community's focus shifted to artificial intelligence, diverting attention from what could have flowed into the crypto market.
● Furthermore, cases of some listed mining companies such as Cango, Bitdeer, and Core Scientific having previously cleared their Bitcoin holdings made the market particularly sensitive to any potential sell signals. When Marathon Digital Holdings' (MARA) regulatory documents were over-interpreted as a possible sell-off, both stock prices and cryptocurrency prices experienced temporary fluctuations, forcing the company’s IR vice president to clarify in person.
● During the negative premium period, market sentiment was like a startled bird. This is why the return of the positive premium is so important—it may indicate that the bottom of sentiment has been formed.
6. Details and Hidden Concerns Behind the Data
● Firstly, the 0.0028% premium rate remains at an extremely low level. Although the direction has turned positive, the absolute value is far from reaching the level of "frenzy." In comparison, during the market situation at the beginning of 2025, the premium index often maintained above 0.1%.
● Secondly, the market is not without concerns. The Fear and Greed Index indicates that the market is still in a state of "extreme fear," with the index dropping to 10. This means that the increase in prices has not yet transformed into a warming of sentiment among retail investors, possibly indicating that the market's foundation may be weaker than it appears.
● Additionally, geopolitical risks always loom overhead. The escalation of tensions in the Middle East has not been fully resolved, and if there is an unexpected deterioration, risk-averse sentiment could once again overwhelm everything.
7. What Does This Mean?
● The Coinbase premium index turning positive directly implies that the buying power in the U.S. market is returning. Combined with the continued net inflow of ETFs, a relatively clear judgment can be drawn: while retail investors are still holding back, institutions and compliant funds have already begun to act. These funds tend to have a stronger holding patience, rather than chasing short-term fluctuations.
● From a more macro perspective, Bitcoin's resilience under the context of a strengthening dollar and pressure on traditional assets may indicate that the market structure is changing. As more and more institutions enter the market through ETF channels and as the "Baby Boomer generation" begins to incorporate Bitcoin into their asset allocation, the bottom support for this market is becoming more solid than ever.
● Of course, this does not mean that a bull market has restarted. The premium index has just turned positive, market sentiment is still within the panic range, and the resistance level of $75,000 has yet to be broken. But at least one thing can be confirmed: the prolonged 40-day "U.S. discount" period has temporarily come to an end.
● For investors concerned with dynamic U.S. market developments, the next thing to observe is: can this positive premium be sustained? Is the ETF capital influx coherent? If the answer is affirmative, then this 0.0028% positive premium might become the starting point for the next stage of the market.
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