VGLT vs TLT: Which Bond ETF Is the Better Value?

Vanguard's Long-Term Treasury ETF (VGLT) offers a significantly lower expense ratio of 0.03% compared to iShares' 20+ Year Treasury Bond ETF (TLT) at 0.15%, making it the more cost-efficient option for long-term Treasury bond investors. While TLT commands larger assets under management ($46 billion vs $15 billion), both funds provide similar dividend yields and performance, with VGLT showing slightly lower volatility over the past five years.