IMO the most comical thing about the 50 bp cut was the 10 year performance. As one can see the 10 year bottomed out under 4.4% on 9/7. I forgot the exact date that the discount window was opened…I am pretty sure it was before that but for sure by 9/7 widespread speculation was not if the FFR would be cut, but by how much. As we have seen the 10 year is up almost 30 bp from that point…taking long term rates with it.
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