According to @lookonchain, BlackRock deposited 2,156 BTC, valued at about 186 million dollars, to Coinbase Prime, with the attribution and transfer visible on Arkham Intelligence’s BlackRock entity page. Source: @lookonchain X post; Arkham Intelligence explorer. For context, 2,156 BTC equals roughly 4.8 days of new Bitcoin supply based on the current 3.125 BTC block subsidy that produces about 450 BTC per day. Source: Bitcoin.org Developer Guide on controlled supply. Historically, elevated BTC exchange inflows have coincided with increased near-term sell-side pressure and softer short-term returns, a pattern documented by on-chain analytics. Source: CryptoQuant research; Glassnode insights. Traders can monitor Coinbase spot order-book depth and spreads for liquidity shifts during US hours, as changes in depth can affect execution costs on US venues. Source: Kaiko market microstructure research.