S000109943 [Member] Investment Objectives and Goals - S000109943 [Member] |
Oct. 28, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Summary of Columbia RECS Laddered Deep Buffer ETF |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | Columbia RECS Laddered Deep Buffer ETF (the Fund) seeks to provide capital appreciation while seeking to limit the amount of losses experienced by investors relative to traditional long-only equity strategies. The Fund and traditional long-only equity strategies both bear management fees and other expenses and therefore such costs are not considered for purposes of determining the amount of losses experienced.
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