This ETF is one of the most popular options for investors seeking to establish exposure to long-dated Treasuries, an asset class that is light on credit risk but may offer attractive yields thanks to an extended duration and therefore material interest rate risk. TLT might not be a core holding in a buy-and-hold portfolio, as long-term Treasuries are included in broader-based bond funds such as AGG and BND. But for those looking to extend the duration of their portfolio and potentially enhance the current return offered, this can be a useful product. TLT is efficient from a cost perspective, offers exposure to hundreds of individual securities, and delivers impressive liquidity to those looking to execute a trade quickly. Investors may also wish to consider similar products such VGLT and TLO; the yield and duration of these products may differ slightly, making one potentially more appealing depending on exact investment objectives.