30-Year Treasury Yield in August 2026

The 30-year Treasury yield ended August 2026 at 5.249% on August 31, 2026, down 0.026 percentage points from 5.275% at the end of July 2026. Its highest close of the month was 5.309% on August 17, 2026, its lowest 5.174% on August 5, 2026.

Month close

5.249%

August 31, 2026

Month change

−0.026 pts

from 5.275%

Highest close

5.309%

August 17, 2026

Lowest close

5.174%

August 5, 2026

Every close of August 2026

21 sessions, newest first.

30-year Treasury yield: daily closes for the last 21 sessions
DateCloseChange
5.249%+0.043 pts
5.206%+0.015 pts
5.191%+0.005 pts
5.186%+0.012 pts
5.174%−0.057 pts
5.231%−0.045 pts
5.276%+0.039 pts
5.237%+0.043 pts
5.194%−0.091 pts
5.285%−0.024 pts
5.309%+0.044 pts
5.265%+0.052 pts
5.213%−0.034 pts
5.247%+0.011 pts
5.236%−0.007 pts
5.243%+0.032 pts
5.211%−0.002 pts
5.213%+0.039 pts
5.174%−0.016 pts
5.190%−0.041 pts
5.231%−0.044 pts

30-Year Treasury Yield, month by month

30-year Treasury yield: last close of each month
MonthLast closeChange
September 2026so far5.504%+0.255 pts
August 20265.249%−0.026 pts
July 20265.275%+0.373 pts
June 20264.902%−0.091 pts
May 20264.993%+0.006 pts
April 20264.987%+0.096 pts
March 20264.891%+0.258 pts
February 20264.633%−0.239 pts
January 20264.872%+0.032 pts
December 20254.840%+0.175 pts
November 20254.665%−0.005 pts
October 20254.670%−0.062 pts
September 20254.732%−0.185 pts

30-Year Treasury Yield in August 2026: what people ask

What was the 30-year Treasury yield at the end of August 2026?

It closed at 5.249% on Monday, August 31, 2026, down 0.026 percentage points from 5.275% at the end of July 2026.

What was the highest 30-year Treasury yield in August 2026?

Its highest close of August 2026 was 5.309% on Monday, August 17, 2026; its lowest was 5.174% on August 5, 2026, over 21 sessions.

Source: Cboe 30-year Treasury yield index (TYX), daily closes. Daily closes; a month's change runs from the previous month's last close. Not investment advice. 30-Year Treasury Yield today