Last Updated：2025/11/20

(finance) Trading activity conducted by a securities firm for its own profit rather than for its clients.

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proprietary trading

Source Word

proprietary trading

Noun

uncountable

(finance) Trading activity conducted by a securities firm for its own profit rather than for its clients.

Japanese Meaning

証券会社が顧客の注文に応じるのではなく、自社の利益を追求するために行う取引活動。 / 顧客のためではなく、自己の利益確保を目的とした証券会社による取引実践。

The bank reduced its exposure to proprietary trading after the regulatory crackdown.

銀行は規制強化を受け、自己勘定取引へのエクスポージャーを縮小した。

Sense（1）

(finance) Trading activity conducted by a securities firm for its own profit rather than for its clients.