美国至6月13日当周MBA抵押贷款申请活动指数 248.1，前值254.6。

Core Insights - The MBA mortgage application activity index for the week ending June 13 in the U.S. is reported at 248.1, a decrease from the previous value of 254.6 [1] Group 1 - The current index of 248.1 indicates a decline in mortgage application activity compared to the prior week [1] - The previous week's index was 254.6, showing a notable drop in applications [1]