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Key Takeaways How is BlackRock’s IBIT driving Bitcoin’s momentum? IBIT added $199 million in daily inflows and held 3.84% of Bitcoin’s supply, making it the leading institutional force. What does the broader ETF market show? Total U.S. Spot Bitcoin ETFs reached 6.6% of the circulating supply, with combined holdings surpassing 1.3 million BTC. Institutional investors are shaping Bitcoin’s [BTC] rally through sustained inflows into Spot ETFs and Derivatives. BlackRock’s iShares Bitcoin Trust (IBIT) dominated the market, pulling the largest share of volume and steering sentiment. In fact, U.S. Spot Bitcoin ETFs now hold 6.6% of the circulating supply, while corporate treasuries account for another 7.22%. Together, they highlight how institutional accumulation has become a critical pillar of Bitcoin’s price strength. A closer look showed that IBIT could impact Bitcoin more. Source: Eric Balchunas/ X IBIT options volume surges The options market has shown a strong bullish tilt in recent sessions, led by BlackRock’s IBIT. Total Open Interest Delta reached $10.65 billion, at press time, reflecting a surge in bullish positioning. At the same time, the Call/Put Ratio hit 4.4—more than four times above the neutral level of 1. A ratio at this level indicated that call contracts far outweigh puts, a classic sign of heightened bullish sentiment. Source: SosoValue IBIT controlled over 95% of this Open Interest Delta, valued near $10.45 billion. By comparison, Grayscale’s exposure stood close to $200 million, according to SosoValue. BlackRock’s IBIT extends dominance in ETFs IBIT’s dominance was not confined to derivatives. At press time, it accounted for more than 50% of the U.S. spot Bitcoin ETF market, representing 3.84% of the circulating Bitcoin supply. Bloomberg analyst Eric Balchunas called the scale unprecedented, noting “An equity ETF would need $2.2 trillion in assets to have as much ownership of its underlying asset class. For perspective,…

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Filed under: News - @ October 1, 2025 7:29 pm