Company: ETV
Filing Date: 2025-05-01
Form Type: POS EX
Source: 0001076598-25-000083
Chunk: 1

Company: Eaton Vance Tax-Managed Buy-Write Opportunities Fund
Filing Date: 2025-05-01
Form: POS EX
Chunk 1
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planatory Note</div>

This Post-Effective Amendment No. 1 to the Registration Statement
on Form N-2 (File No. 333-286821) of Eaton Vance Tax-Managed Buy-Write Opportunities Fund (the “Registration
Statement”) is being filed pursuant to Rule 462(d) under the Securities Act of 1933, as amended (the “Securities Act”),
solely for the purpose of filing exhibits to the Registration Statement. Accordingly, this Post-Effective Amendment No. 1 consists only
of a facing page, this explanatory note and Part C of the Registration Statement on Form N-2 setting forth the exhibits to the Registration
Statement. This Post-Effective Amendment No. 1 does not modify any other part of the Registration Statement. Pursuant to Rule 462(d) under
the Securities Act, this Post-Effective Amendment No. 1 shall become effective immediately upon filing with the Securities and Exchange
Commission. The contents of the Registration Statement are hereby incorporated by reference.

<div align='center'>PART C

OTHER INFORMATION</div>

| ITEM 25. | FINANCIAL STATEMENTS AND EXHIBITS |

(1) FINANCIAL STATEMENTS:

Included in Part A:

Financial Highlights for the ten years ended December
31, 2024.

Included in Part B:

Registrant’s Certified Shareholder Report
on Form N-CSR filed February 27, 2025 (Accession No. 0001193125-25-038785) and incorporated herein by reference.

_______________________________

(2) EXHIBITS:

| (a) | -1 |     | Agreement and Declaration of Trust dated March 30, 2005 filed as Exhibit (a) is incorporated herein by reference to the Registrant’s initial Registration Statement on Form N-2 (File Nos. 333-123770, 811-21735) as to the Registrant’s common shares of beneficial interest (“Common Shares”) filed with the Securities and Exchange Commission on April 1, 2005 (Accession No. 0000898432-05-003034) (“Initial Common Shares Registration Statement”).                    |
|     | -2 |     | Amendment to Agreement and Declaration of Trust dated August 11, 2008 filed as Exhibit (a)(2) is incorporated herein by reference to the Registrant’s initial Shelf Registration Statement on Form N-2 (File Nos. 333-214545, 811-21735) as to