一则涉及光伏产业链的收购传闻，引发多晶硅期货大涨。周三(7月30日)晚间，广期所再度出手，调整 多晶硅等三大品种的交易限额，紧急给市场降温。 7月30日，多晶硅主力合约尾盘一度触及涨停，收盘大涨8.87%，报54705元/吨，逼近上市以来最高价 格，持仓量大增2.28万手。多晶硅共有10个合约封涨停，累计净流入资金高达40.26亿元。 根据广期所周三的最新通知，自2025年8月1日交易时起，工业硅、多晶硅、碳酸锂三大主力合约开仓量 不得超过500手，三大品种的2510、2511、2512、2601合约单日开仓量分别不得超过2000手。对此，业 内人士认为，这一措施将会抑制短线投机资金，防控市场风险。 针对市场传闻，中国光伏协会于7月29日晚间紧急发布澄清公告称，"近日，有部分自媒体发布了关于光 伏行业'反内卷'，特别是多晶硅方面工作的新闻，相关内容与实际情况严重不符。" 金瑞期货锂硅研究员刘钟颖表示，多晶硅行业政策预期继续走强，光伏协会发声辟谣，但未明确指明具 体细节，市场情绪依旧高涨。传闻中被收购的产能基本为已停产产能，而目前头部产能存在复产动作， 价格已覆盖完全成本且具有生产利润。 2025年以来，全球光 ...

Group 1 - The China Securities Photovoltaic Industry Index (931151) decreased by 0.70% as of July 4, 2025, with mixed performance among constituent stocks [1] - Leading stocks included Lin Yang Energy (601222) up 4.55%, Daqo New Energy (688303) up 3.58%, and Kehua Data (002335) up 2.35%, while Jinlang Technology (300763) led the decline at 3.67% [1] - The Photovoltaic Leaders ETF (159609) saw an active trading session with a turnover of 7.55% and a transaction volume of 20.52 million yuan, reflecting a vibrant market [1] Group 2 - The article emphasizes the need to break away from "involution" competition to achieve high-quality development, advocating for market-oriented reforms and the elimination of local protectionism [1] - The report highlights the importance of institutional guidance for healthy competition and acknowledges the role of industry associations and corporate self-discipline [1] - Current efforts by GCL-Poly Energy and Tongwei Co. to promote capacity consolidation in the polysilicon industry align with policy directions and are expected to receive support [1] Group 3 - The Photovoltaic Leaders ETF closely tracks the China Securities Photovoltaic Industry Index, which selects up to 50 representative listed companies in the photovoltaic industry chain [2] - The index's valuation is at a historical low, with a latest price-to-book ratio (PB) of 1.8, indicating significant value [2] - As of June 30, 2025, the top ten weighted stocks in the index accounted for 55.39%, including companies like Sungrow Power Supply (300274) and LONGi Green Energy (601012) [2]