Inflation: Rising inflation erodes the purchasing power of fixed income investments, potentially decreasing the fund's value.

Interest Rates: VLIFX.US holds inflation-protected securities. Rising real interest rates can negatively impact its price.

Treasury Yields: Changes in Treasury yields influence the overall bond market and can affect the fund's net asset value (NAV).

Inflation Expectations: Market expectations regarding future inflation directly impact the demand for and pricing of inflation-protected securities held by the fund.

Fund Management: The expertise of the fund managers in selecting and managing the fund's portfolio affects its overall performance and price.

Market Sentiment: General investor sentiment towards inflation-protected assets influences supply and demand, impacting the fund's price.

Credit Risk: The possibility of issuers defaulting on their debt obligations affects bond prices and indirectly impacts VLIFX.US if it holds such bonds.

Liquidity: The ease with which VLIFX.US holdings can be bought or sold affects its overall value, impacting its price.