Yahoo Finance analysis indicates that while both hold U.S. Treasuries, TLT has fallen 4.35% year-to-date, whereas SGOV has risen 2.53%, due to differences in duration. TLT holds U.S. Treasury bonds with maturities of 20 years or more, has a long duration, and is sensitive to interest rates, having declined 35% since 2021. SGOV holds U.S. Treasury bonds maturing within 90 days, has a short duration, and has gained 20% over the same period. Currently, the 30-year U.S. Treasury yield is 5.37%, and the 13-week T-bill yield is 3.91%.