变压器再度爆发，电网设备ETF（159326）涨超3%，近一个月规模增长超3倍

Group 1 - The A-share market saw a collective decline in its three major indices, while the power grid equipment sector experienced a significant increase, with the only power grid equipment ETF (159326) rising by 3.01% and achieving a transaction volume of 1.116 billion yuan [1] - The power grid equipment ETF has attracted substantial capital attention this year, with a net inflow exceeding 12.46 billion yuan in the past month, bringing its total scale to 16.808 billion yuan, which is more than three times its previous size, making it the largest power-related ETF in the market [1] - The global AI computing power construction is entering an explosive phase, with power equipment transformers becoming the core of computing infrastructure, leading to full production in many transformer factories, and some orders for data center-related businesses extending to 2027 [1] Group 2 - Huatai Securities indicates that the export logic for transformers, as a representative of primary equipment, remains strong, with both orders and revenue showing a high growth trend, and the shortage of high-voltage grid equipment is expected to be persistent [2] - The power grid equipment ETF (159326) is the only ETF tracking the China Securities Power Grid Equipment Theme Index, with a strong representation in sectors such as transmission and transformation equipment, grid automation equipment, and distribution equipment, where the smart grid accounts for 88% and ultra-high voltage accounts for 65% of the index [2]