ETV R&D Expense Growth

Eaton Vance Corporation Eaton Vance Tax-Managed Buy-Write Opportunities Fund Common Shares of Beneficial Interest · R&D Expense Growth

ETV R&D Expense Growth

Latest reported0.00%period endingDec 31, 2025

ETV FY R&D Growth (YoY) (0.00% → 0.00%)

Latest values, visible window

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ETV r&d expense growth history

Annual fiscal periods. Dates are reporting period ends; fiscal years can differ from calendar years.

Eaton Vance Corporation Eaton Vance Tax-Managed Buy-Write Opportunities Fund Common Shares of Beneficial Interest R&D Expense Growth — Annual fiscal periods

Period ending	R&D Expense Growth
Dec 31, 2025	0%
Dec 31, 2024	0%
Dec 31, 2023	0%
Dec 31, 2022	-100%
Dec 31, 2021	-2.2384%
Dec 31, 2020	285.4973%
Dec 31, 2019	0%
Dec 31, 2018	0%
Dec 31, 2017	0%
Dec 31, 2016	0%
Dec 31, 2015	0%
Dec 31, 2014	0%
Dec 31, 2013	0%
Dec 31, 2012	0%
Dec 31, 2011	0%
Dec 31, 2010	0%
Dec 31, 2009	0%
Dec 31, 2008	0%