英文名称：OAT（Obligations Assimilables de Trésor）
中文名称：法国财政部的可替代债券
指由法国财政部发行的可替代国债，利率分为固定利率和浮动利率两种，期限为7到30年不等。
e.g. Unsurprisingly, issuance was skewed towards the 10-year OAT, although less than the pvious tap of this issue as 2019 OAT lines start to address this segment of the curve.