Surging US 10-year Treasury yields reaching a 12-month high and geopolitical uncertainty surrounding stalled US-Iran peace talks under President Trump triggered a severe institutional de-risking event across cryptocurrency markets.
Amid this capital flight, an institutional investor executed a $1.26 billion block sale of 29.21 million shares of BlackRock’s iShares Bitcoin Trust (IBIT) on May 26, 2026. The transaction priced the shares at a 2.3% discount, prioritizing execution speed over price maximization.
The CME Futures Disconnect
NYDIG released an analysis of the transaction on May 31, 2026. The crypto investment firm dismissed the theory that this was a standard arbitrage unwind, pointing to the absence of unusual volume in the CME Bitcoin futures market that would typically accompany such a trade.
The BlackRock block sale occurred as US-listed spot Bitcoin ETFs experienced their longest losing streak since December. These funds logged eight consecutive days of net outflows totaling over $1.26 billion in a single week.
This institutional retreat drove Bitcoin down to the $72,000 range, placing the asset near a six-week low as capital moved toward risk-free government bonds.
Why BlackRock’s IBIT Assets Fell Below Cumulative Inflows
The rapid liquidation caused a technical inversion for BlackRock’s spot fund. For the first time since its market debut in January 2024, the total Assets Under Management for the IBIT fund dropped below its cumulative historical inflows. The outflow of capital shows how institutional crypto allocations remain sensitive to traditional fixed-income markets and US foreign policy changes.