The world’s largest asset manager, BlackRock, has recorded the biggest inflow day for its spot Bitcoin exchange-traded fund (ETF) since its launch at the beginning of this year. On Oct. 30, BlackRock’s spot Bitcoin ETF (IBIT) recorded inflows of $875 million, according to CoinGlass data. This marks the highest inflow day for IBIT since its launch on Jan. 11. The significant inflow figure has surpassed IBIT’s previous high of $849 million set on March 12, as per Farside data. Traders are speculating that a billion-dollar inflow day could be imminent. “I said billion dollar inflows, it was NOT a…