30 Year Treasury Rate - 39 Year Historical Chart. Interactive chart showing the daily 30 year treasury yield back to 1977. The U.S Treasury suspended issuance of the 30 year bond between 2/15/2002 and 2/9/2006. The current 30 year treasury yield as of March 12, 2020 is 1.49%. U.S. 30 Year Treasury Bond advanced bond charts by MarketWatch. View real-time TMUBMUSD30Y bond charts and compare to other bonds, stocks and exchanges. Historical and current end-of-day data United States 30-Year Bond Yield Historical Data. Get free historical data for United States 30-Year Bond Yield. You'll find the closing yield, open, high, low, change and %change for the selected range of dates. The data can be viewed in daily, weekly or monthly time intervals.