Index Funds
737 Bishop Street
Mauka Tower, Suite 2850
Honolulu, Hawaii 96813
December 21, 2020
VIA EDGAR
U.S. Securities and Exchange Commission
Division of Investment Management
100 F Street, N.E.
Washington, DC 20549
| Re: | Index Funds (the “Trust”) |
File Nos. 333-129930, 811-21836
Dear Sir or Madam:
On behalf of the Trust and pursuant to Rule 497(e) under the Securities Act of 1933, as amended, attached for filing are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information contained in the 497(e) supplement dated December 4, 2020 (Accession Number: 0001398344-20-023975) to the Prospectus and Summary Prospectus dated July 28, 2020. The purpose of this filing is to submit the 497(e) filing in XBRL for the Index Funds S&P 500® Equal Weight.
Please address any comments on this filing to counsel to the Trust, Kevin T. Teng at 303-892-7359.
Sincerely,
| /s/ Michael G. Willis |
Michael G. Willis
Secretary
Enclosure
| cc: | Kevin T. Teng, Esq. |
Davis Graham & Stubbs LLP