周三（6月18日）纽约尾盘，美国10年期基准国债收益率大致持平，报4.3909%，日内交投于4.4087%-4.3377%区间，整体呈现出V形走势。两年期美债收益率跌1.04个基点，报3.9414%，北京时间13:21微幅上扬至3.9561%刷新日高，北京时间02:00发布美联储利率决议声明+经济预期概要（SEP）时跳水至3.8824%刷新日低，随后跌幅收窄。

Core Viewpoint - The U.S. 10-year Treasury yield remained stable at 4.3909% during the late trading session on June 18, with intraday trading ranging between 4.4087% and 4.3377%, exhibiting a V-shaped trend [1] Group 1 - The 2-year Treasury yield decreased by 1.04 basis points, settling at 3.9414%, and later slightly increased to 3.9561%, marking a new daily high [1] - Following the release of the Federal Reserve's interest rate decision statement and economic projections (SEP) at 02:00 Beijing time, the 2-year yield plummeted to 3.8824%, reaching a new daily low, before narrowing its losses [1]