出品｜公司研究室基金组 文｜张阳 "本想赎回基金止损，没想到不仅没拿到钱，还倒欠京东金融300多块！"2月3日，一位持有国投瑞银白银期货LOF的投资者在小红书晒出交易记录，引发大 量国投白银LOF投资者的共鸣。 2月2日，该基金单日净值暴跌31.5%创下公募纪录，而通过京东金融"极速赎回"的用户，因平台垫资与实际净值差额，陷入了"卖基金倒贴钱"的荒诞局面。 这场风波不仅暴露了基金公司与销售平台的风险漏洞，更让普通投资者承受了超出预期的损失。 国投瑞银怕产生挤兑未提前公告 国投白银LOF单日暴跌31.5%的导火索，源于国际银价与国内银价之间的极端背离。 1月30日至2月2日，伦敦银现价格从115.87美元/盎司跌至79.20美元/盎司，累计跌幅达31.65%。然而，国内上期所沪银主力合约因受±17%涨跌停板限制，2月 2日仅下跌17%。 2月2日国内开盘后，基于国内白银期货17%的涨跌停限制，不少投资者认为当日国投白银LOF场外基金的亏损最多不超过17%，因此选择赎回止损。 但2月2日晚，国投基金公司突然公告，将国投白银LOF基金所持6只白银期货合约的估值方法，从"上海期货交易所结算价"改为"参考国际银价波动" ...

Group 1 - The fund is named "E Fund CSI Science and Technology Innovation and Entrepreneurship 50 ETF" with the code 159781, managed by E Fund Management Co., Ltd. and custodied by Industrial and Commercial Bank of China [1][2] - The fund is a stock-type open-ended fund that tracks the CSI Science and Technology Innovation and Entrepreneurship 50 Index, aiming to minimize tracking deviation and tracking error [2][4] - The fund's investment strategy includes a minimum of 80% of its non-cash assets invested in the index's constituent stocks and a minimum of 90% of its net asset value [4][5] Group 2 - The fund's investment scope includes stocks, bonds, asset-backed securities, bank deposits, and other financial instruments as permitted by laws and regulations [3][4] - The fund aims to control the absolute value of daily tracking deviation within 0.2% and annual tracking error within 2% [5][6] - The fund's performance benchmark is the return of the CSI Science and Technology Innovation and Entrepreneurship 50 Index [5][6] Group 3 - The fund incurs various fees, including a management fee of 0.15% and a custody fee of 0.05%, along with other operational costs [9][10] - The total operational fee rate for investors is calculated based on the fixed management fee, custody fee, and other operational expenses as a percentage of the fund's average daily net asset value [10]