According to Spot On Chain monitoring data, the US spot bitcoin ETF had a net inflow of 218 million US dollars on June 6th. Of which: Net inflows have been positive for 18 consecutive trading days, the longest on record. One-day inflows of $350 million at BlackRock (IBIT), the highest level in the past two trading months; After two consecutive days of inflows, Grayscale (GBTC) saw another outflow.