約定

• 読み: やくじょう
• ローマ字: yakujō
• 漢字の分解: 約 (yaku) — promise, agreement; 定 (jō) — determination, fixing
• 発音: /jakɯdʑoː/

意味

Contract; agreement; an executed commitment — in securities, a confirmed and matched trade.

Used in formal legal and financial contexts. In securities trading, 約定 specifically refers to a trade that has been executed — a buy or sell order that has been matched and confirmed on the exchange. 約定価格 (contract price) and 約定日 (trade execution date) are standard terms in brokerage and financial reporting, distinct from 注文 (order, which may not yet be filled).

例文

1. 売買約定が成立した翌日に、決済が行われる。
2. 契約書には双方が合意した約定事項が明記されている。
3. 注文は約定するまで市場に残り続ける。

使い方ガイド

場面: securities, legal, finance, contracts

トーン: neutral

起源と歴史

Compound of 約 (promise, agreement — from 約す, to promise) and 定 (determine, fix). Together they convey a firmly established agreement or commitment. The term has roots in classical legal and commercial usage in East Asia.

文化的背景

時代: Modern

世代: Adults

社会的背景: Business/Legal