noun
open-end
Used in financial and business contexts to describe funds, contracts, or agreements that have no fixed termination date or limit. Often appears as a modifier in compounds like オープンエンド型投資信託 (open-end investment trust).
この投資信託はオープンエンド型で、いつでも追加購入が可能です。
This investment trust is open-end, so you can make additional purchases at any time.