This Week Trend Last Week Last Month 30 Year Fixed 4.54 % 4.56 % 4.58 % 15 Year Fixed 4.00 % 4.03 % 4.04 % 5/1 ARM 4.00 % 3.79 % 3.79 % 1 Year ARM 3.64 % 3.70 % 3.80 % Source: Freddie Mac.