The latest $1.61 billion crypto ETF surge risks grinding to a halt against a 30-year US Treasury yield spike

Blockonomics
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Four consecutive sessions of U.S. spot Bitcoin ETF inflows have revived a regulated demand channel just as the U.S. Treasury offered investors a 2.973% real yield for nearly three decades.

The ETF complex drew $1.61 billion from Aug. 17 through Aug. 20, according to Farside Investors. On Aug. 20, Treasury’s February 2056 TIPS reopening cleared at a real yield 50 basis points above the same security’s original-issue yield in February.

Bitcoin is trading near $77,821 on Aug. 21, up 7.2% over 24 hours. However, the next measure of the rally’s durability arrives quickly. $183 billion of two-, five-, and seven-year Treasury note auctions take place from Aug. 25 through Aug. 27, with the long real yield still near 2.97%.

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Farside recorded daily net inflows of $297.5 million on Aug. 17, $189.3 million on Aug. 18, $517.2 million on Aug. 19 and $606.3 million on Aug. 20. BlackRock’s IBIT supplied $503 million of the final day’s total.

The four-day sequence is more informative than a single-session spike, but its limits matter. ETF flow tables are end-of-day fund reports. They do not reveal the exact timing, venue or price of every underlying Bitcoin purchase, so the total measures the strength of a demand channel rather than the cause of a particular spot move.

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Treasury’s Aug. 20 sale created the competing benchmark. It was not a new 30-year security, but a reopening of the TIPS originally issued in February, leaving about 29 years and six months to maturity.

The reopening cleared at a 2.973% high real yield, compared with 2.473% when the same CUSIP was first sold in February. That like-for-like increase gave long-duration investors an inflation-adjusted yield almost 3% a year above the security’s principal adjustment through 2056.