VSIGX Vanguard Intermediate-Term Treasury Index Fund Admiral Shares

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Vanguard average mutual fund expense ratio: 0.09%. Industry average mutual fund expense ratio: 0.50%. All averages are asset-weighted. Industry average excludes Vanguard. Sources: Vanguard and Morningstar, Inc., as of December 31, 2023.

Total returns: Short-term total return information is provided only as a service. Historical performance—particularly short-term performance—is no guarantee of future returns. Price, yield, and return on an actual investment will fluctuate, and you may have a gain or loss when you sell. Average annual returns include changes in price and reinvestments of dividends and capital gains. Since-inception returns for less than 1 year and year-to-date returns aren't annualized. Index performance is provided as a benchmark but isn't illustrative of any particular investment. You can't invest in an index.

Standardized returns: To see quarterly fee-adjusted returns, refer to the Price & Performance details.

Expense ratios: Expense ratios are displayed on Overview. For investments that are less than 1 fiscal year old, expense ratios are estimated.

Risk: All investing is subject to risk, including the possible loss of the money you invest. Funds that concentrate on a relatively narrow market sector face the risk of higher share-price volatility. Investments in stocks or bonds issued by non-U.S. companies are subject to risks including country/regional risk and currency risk.

An investment in the fund could lose money over short or long periods of time. You should expect the fund’s share price and total return to fluctuate within a wide range. The fund is subject to the following risks, which could affect the fund’s performance, and the level of risk may vary based on market conditions:

• Interest rate risk, which is the chance that bond prices overall will decline because of rising interest rates. Interest rate risk should be moderate for the fund because it invests primarily in short- and intermediate-term bonds, whose prices are less sensitive to interest rate changes than are the prices of long-term bonds.
• Income risk, which is the chance that the fund’s income will decline because of falling interest rates. Income risk is generally moderate for intermediate-term bond funds, so investors should expect the fund’s monthly income to fluctuate accordingly.
• Index sampling risk, which is the chance that the securities selected for the fund, in the aggregate, will not provide investment performance matching that of the fund’s target index. Index sampling risk for the fund is expected to be low.
• Index-related risks: The fund is subject to risks associated with index investing, which include passive management risk, tracking error risk, and index provider risk. Passive management risk is the chance that the fund's use of an indexing strategy will negatively impact the fund's performance. Because the fund seeks to track the performance of its target index regardless of how that index is performing, the fund's performance may be lower than it would be if the fund were actively managed. Tracking error risk is the chance that the fund's performance will deviate from the performance of its target index. Tracking error risk may be heightened during times of increased market volatility or under other unusual market conditions. Index provider risk is the chance that the fund will be negatively impacted by changes or errors made by the index provider. Any gains, losses, or costs associated with or resulting from an error made by the index provider will generally be borne by the fund and, as a result, the fund's shareholders.