Can you lose money in Treasury bonds?

Can You Lose Money Investing in Bonds? Yes, you can lose money when selling a bond before its maturity date since the selling price could be lower than the purchase price.

Are Long Term Treasury Bonds Safe?

The most dangerous investment is now a “safe” long-term Treasury bond. If you don't want to lose money, do not own this. In the past year, such bonds have lost nearly 14% of their value, according to Morningstar. ... This belies the problem with so-called safe bonds—that they are anything but when interest rates rise.