临近半年末，美国SOFR涨至4.40%，与美联储的准备金余额利率一致

Core Points - The secured overnight financing rate (SOFR) reached 4.40% on June 26, marking a two-month high, up from 4.36% the previous day [1] - The effective federal funds rate remained unchanged at 4.33% on the same day [1]