CONVEX
Historical Year Data · 2026

Aaa-10Y Treasury Spread in 2026

Aaa-10Y Treasury Spread opened 2026 at 1.19% and closed at 1.05%, a -11.76% move for the year. The high of 1.32% was reached on March 13, and the low of 1.05% on May 14.

Open
1.19%
2026-01
Close
1.05%
92 data points
High
1.32%
Mar 13
Low
1.05%
May 14
Full Year Change
-11.76%
2025 Change
+39.29%

Monthly Breakdown

MonthOpenCloseHighLowChange
Jan1.19%1.12%1.19%1.06%-5.88%
Feb1.11%1.27%1.27%1.11%+14.41%
Mar1.24%1.23%1.32%1.18%-0.81%
Apr1.15%1.12%1.15%1.08%-2.61%
May1.10%1.05%1.11%1.05%-4.55%

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