7月18日电，房地美称美国30年期抵押贷款利率升至6.75%。

Core Viewpoint - The article reports that the 30-year mortgage rate in the United States has risen to 6.75% according to Freddie Mac [1] Group 1 - The increase in the 30-year mortgage rate indicates a trend in rising borrowing costs for homebuyers [1] - This rate change may impact the housing market dynamics, potentially leading to decreased affordability for buyers [1] - The rise in mortgage rates could also affect refinancing activities among existing homeowners [1]