Treasury Rates Update: September 17th, 2026
In my decades monitoring fixed-income markets, post-Federal Reserve decision meetings often trigger a classic dynamic: a flattening yield curve as short-term rates reprice monetary expectations while the long end absorbs broader growth and inflation outlooks. Following the September 16th Fed meeting, the Treasury market exhibited this shift precisely, driving a noticeable flattening as short-end yields surged while long-term rates rallied.
The benchmark 10-year Treasury rate edged down a minimal 1 basis point (bp) this week to 4.94%, maintaining a 15bp increase over the past 14 days.
Upcoming Key Economic Data Release:
Next jobs release is October 2
Next CPI release is October 14
The next Fed meeting is on October 28
Key Developments
Short-End Surge: Rates jumped on the front end, led by the 1-year yield advancing 12bp to 4.40% and the 2-year yield rising 11bp to 4.67%.
Front-End Inversion: The 1-month rate climbed 6bp to 3.97%, widening its negative spread against the 1-year rate to -0.43%.
Long-End Rally: Long-term rates dropped, with the 30-year yield falling 8bp to 5.29%.
Yield Curve Flattening: The 10-to-2 year spread narrowed sharply to 0.27% from 0.39% last week, creating a remarkably flat belly across the 5-to-10 year maturities.
Market focus now turns to the October 2nd Jobs report and October 14th CPI release ahead of the October 28th Fed meeting.
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