0000743773 2025-12-31 2025-12-31 0000743773 cvtip:S000010991Member 2025-12-31 2025-12-31 0000743773 cvtip:S000010992Member 2025-12-31 2025-12-31 0000743773 cvtip:S000010995Member 2025-12-31 2025-12-31 0000743773 cvtip:S000010996Member 2025-12-31 2025-12-31 0000743773 cvtip:S000010997Member 2025-12-31 2025-12-31 0000743773 cvtip:S000010991Member cvtip:IndexFundIssuerNonDiversificationRiskMember 2025-12-31 2025-12-31 0000743773 cvtip:S000010992Member cvtip:IndexFundIssuerNonDiversificationRiskMember 2025-12-31 2025-12-31 0000743773 cvtip:S000010995Member cvtip:IndexFundIssuerNonDiversificationRiskMember 2025-12-31 2025-12-31 0000743773 cvtip:S000010996Member cvtip:IndexFundIssuerNonDiversificationRiskMember 2025-12-31 2025-12-31 0000743773 cvtip:S000010997Member cvtip:IndexFundIssuerNonDiversificationRiskMember 2025-12-31 2025-12-31 false 497 2025-12-31 Calvert Variable Trust, Inc. N-1A 0000743773 The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become “non-diversified,” as defined in the Investment Company Act of 1940 (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund becomes “non-diversified” due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become “non-diversified,” as defined in the Investment Company Act of 1940 (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund becomes “non-diversified” due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become “non-diversified,” as defined in the Investment Company Act of 1940 (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund becomes “non-diversified” due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become “non-diversified,” as defined in the Investment Company Act of 1940 (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund becomes “non-diversified” due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become “non-diversified,” as defined in the Investment Company Act of 1940 (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund becomes “non-diversified” due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. <b>Index Fund Issuer Non-Diversification Risk.</b> The Fund may become “non-diversified” under the 1940 Act for periods of time solely as a result of tracking the Index (due to changes in relative market capitalization or index weighting of one or more component securities). To the extent the Fund becomes “non-diversified,” the Fund may invest a greater percentage of its assets in the securities of a single issuer than a fund that is “diversified.” Non-diversified funds may focus their investments in a small number of issuers, making them more susceptible to risks affecting such issuers than a more diversified fund might be, and the value of the Fund’s shares may be more volatile than the values of shares of more diversified funds. <b>Index Fund Issuer Non-Diversification Risk.</b> The Fund may become “non-diversified” under the 1940 Act for periods of time solely as a result of tracking the Index (due to changes in relative market capitalization or index weighting of one or more component securities). To the extent the Fund becomes “non-diversified,” the Fund may invest a greater percentage of its assets in the securities of a single issuer than a fund that is “diversified.” Non-diversified funds may focus their investments in a small number of issuers, making them more susceptible to risks affecting such issuers than a more diversified fund might be, and the value of the Fund’s shares may be more volatile than the values of shares of more diversified funds. <b>Index Fund Issuer Non-Diversification Risk.</b> The Fund may become “non-diversified” under the 1940 Act for periods of time solely as a result of tracking the Index (due to changes in relative market capitalization or index weighting of one or more component securities). To the extent the Fund becomes “non-diversified,” the Fund may invest a greater percentage of its assets in the securities of a single issuer than a fund that is “diversified.” Non-diversified funds may focus their investments in a small number of issuers, making them more susceptible to risks affecting such issuers than a more diversified fund might be, and the value of the Fund’s shares may be more volatile than the values of shares of more diversified funds. <b>Index Fund Issuer Non-Diversification Risk.</b> The Fund may become “non-diversified” under the 1940 Act for periods of time solely as a result of tracking the Index (due to changes in relative market capitalization or index weighting of one or more component securities). To the extent the Fund becomes “non-diversified,” the Fund may invest a greater percentage of its assets in the securities of a single issuer than a fund that is “diversified.” Non-diversified funds may focus their investments in a small number of issuers, making them more susceptible to risks affecting such issuers than a more diversified fund might be, and the value of the Fund’s shares may be more volatile than the values of shares of more diversified funds. <b>Index Fund Issuer Non-Diversification Risk.</b> The Fund may become “non-diversified” under the 1940 Act for periods of time solely as a result of tracking the Index (due to changes in relative market capitalization or index weighting of one or more component securities). To the extent the Fund becomes “non-diversified,” the Fund may invest a greater percentage of its assets in the securities of a single issuer than a fund that is “diversified.” Non-diversified funds may focus their investments in a small number of issuers, making them more susceptible to risks affecting such issuers than a more diversified fund might be, and the value of the Fund’s shares may be more volatile than the values of shares of more diversified funds.