通信ETF(515880)年内涨幅居两市第一，连续4日净流入超17亿元，回调或可布局

Group 1 - The core viewpoint of the articles highlights the significant growth of the communication ETF (515880), which has seen a year-to-date increase of over 100%, making it the top-performing ETF in the market [1] - The acceleration of the AI commercial closed loop is leading to a surge in demand for reasoning clusters in North America, indicating a robust growth trajectory for the optical communication industry [1] - The optical module market is expected to maintain high prosperity due to continuous investment in computing infrastructure both domestically and internationally, with optical modules accounting for 52% of the communication ETF [1] Group 2 - As of October 30, 2025, the communication ETF has a scale of 11.629 billion, ranking first among 15 similar products [2] - The weight distribution of the ETF components as of October 28, 2025, shows that optical modules, servers, and other segments collectively account for over 81% of the ETF [1][2] - The ongoing growth in AI reasoning traffic and computational density is anticipated to sustain long-term demand in the optical communication sector [1]