本报记者 彭衍菘 "基金公司接连收紧申赎与提示风险，核心是防范溢价套利与流动性风险。"深圳市前海排排网基金销售有限责任公司研究 员梁宇飞对《证券日报》记者表示，LOF基金的场内价格与净值长期偏离，可能引发套利资金涌入，一旦市场情绪转向，高溢 价买入的投资者将面临净值回归与价格下跌的双重损失。 国投白银LOF的高波动与白银市场的迅猛走势相关。国投白银LOF基金经理赵建在2025年四季报中表示，2025年第四季 度，受多因素综合影响，银价走势显著领先于黄金价格。以伦敦银现为例，自2025年10月初突破历史高点，经历10月份后半段 短暂休整后，快速突破60美元/盎司、70美元/盎司、80美元/盎司等主要整数关口，季度涨幅达到53.4%，内盘表现略强于外 盘。同期，伦敦金现上涨约11.9%。 从业绩表现来看，Wind资讯数据显示，截至1月26日，国投白银LOF年内净值增长率已达46.13%，近一年涨幅达230.08%。 谈及白银暴涨的原因，招商期货金融组主管、黄金高级分析师徐世伟在接受《证券日报》记者采访时表示，一是结构性挤 仓现象突出，海外部分国家将白银列为"关键矿产"，导致现货可流通库存枯竭，租赁利率飙升；二是需 ...

Core Viewpoint - The article discusses the concept of "offshore fund arbitrage," emphasizing that it is not a speculative tactic but a strategy to profit from price differences or time windows in fund trading rules. Group 1: Offshore Fund Arbitrage - Offshore fund arbitrage is based on the principle of "buy low, sell high" or "earning time differences through rules," but it is important to note that there is no risk-free arbitrage [1]. - All operations must account for costs and control risks, ensuring that profits exceed costs before proceeding [1]. Group 2: LOF Fund Arbitrage - The easiest arbitrage method for individual investors involves LOF funds (Listed Open-Ended Funds), which can be traded both off-market at net value and on-market at market price [3]. - When the on-market trading price exceeds the off-market net value, a "premium arbitrage" opportunity arises, allowing investors to buy low off-market and sell high on-market for profit [3]. Group 3: Practical Steps for LOF Arbitrage - Step 1: Select targets by using tools like Jisilu to find LOF funds with a premium rate of at least 3% and a daily trading volume over 10 million, avoiding those with suspended subscriptions [4]. - Step 2: Purchase the selected LOF A shares through platforms like Alipay or Tian Tian Fund, and after confirmation (usually T+2 days), initiate a "cross-system transfer" to a brokerage [4]. - Step 3: After the transfer application is submitted, the shares will arrive in the securities account on T+2 days, and investors can sell them like stocks [5]. Group 4: Example of LOF Arbitrage - An example is provided where a certain S&P 500 LOF has a premium rate of 25.9%, with an off-market purchase net value of 1 yuan and an on-market trading price of 1.259 yuan, leading to a potential profit of approximately 0.2 yuan per 1 yuan invested after deducting fees [6]. Group 5: ETF Arbitrage - ETF arbitrage was traditionally exclusive to institutions, but individual investors can participate through offshore ETF linked funds, which invest primarily in corresponding ETFs [7]. - The core logic involves taking advantage of the lag in net value response of linked funds when ETFs are at a premium or discount [7]. Group 6: Directions for ETF Arbitrage - Premium arbitrage occurs when the on-market price of an ETF exceeds its net value, allowing for off-market purchases of linked funds, followed by redemption for profit once the net value rises [8]. - Discount arbitrage happens when the on-market price is lower than the net value, allowing for redemption of linked funds and re-purchase at a lower net value for profit [9]. Group 7: Key Considerations for Arbitrage - It is crucial to calculate costs accurately, ensuring that arbitrage profits cover all fees, as a premium rate below 3% may lead to losses [11]. - Control time risks, as the transfer and confirmation processes require time, during which market fluctuations may erode profit margins [12]. - Confirm liquidity by selecting LOF/ETF targets with high daily trading volumes to avoid difficulties in selling once transferred to the market [13]. - Adhere to rules, ensuring accounts are in the same name and that shares are in whole numbers during transfers to avoid arbitrage failures [14]. - Avoid excessive greed; new investors are advised to start with small amounts to familiarize themselves with the process before scaling up [15].

Core Viewpoint - The article discusses the significant volatility of the Guotou Silver LOF fund after its resumption of trading, highlighting rapid price fluctuations and the impact of market sentiment on its performance [2][5]. Market Performance - On December 29, after resuming trading, Guotou Silver LOF experienced a sharp drop to the daily limit before quickly rebounding, nearing the upper limit within about twenty minutes. By midday, the market price was 2.746 yuan, reflecting an increase of 8.8% with a premium rate of 34.06% [2][3]. - The fund's circulation shares surged significantly, with over 100 million shares added on December 24 and 25 alone, bringing the total circulation to over 2.96 billion shares and a circulation scale exceeding 6 billion yuan, marking an increase of over 2.4 billion yuan since the beginning of the month [5]. Price Fluctuations - The fund's market price exhibited extreme volatility, with a premium rate climbing to 68.16% from December 22 to 24, followed by a drop to below 30% from December 25 to 26 due to consecutive trading halts [5]. - The net asset value of the fund was significantly higher than its market price, prompting the fund manager to issue multiple risk warnings and implement trading restrictions to cool down the market [5][6]. Regulatory Actions - Guotou Ruibin Fund has reduced the daily subscription limit for Class A shares from 500 yuan to 100 yuan and suspended subscriptions for Class C shares, indicating a tightening of access to the fund amid rising speculative interest [6]. - The fund has issued 17 risk warnings or announcements related to trading halts since December 2, emphasizing the risks associated with high premium rates and market volatility [5]. Market Sentiment and Risks - The influx of speculative capital into the fund reflects a distortion in pricing due to a combination of unique product mechanisms and heightened market emotions, which may not align with fundamental values [6][7]. - Experts warn that while the current market conditions may appear as opportunities for ordinary investors, they carry significant risks, particularly with the potential for sharp declines in silver prices and rapid changes in premium rates [7].

Core Viewpoint - Cross-border ETF funds, also known as "QDII ETF" funds, are investment funds established domestically that invest in overseas markets, creating arbitrage opportunities due to potential pricing discrepancies between market trading prices and net asset values [1] Group 1: Trading Mechanism of Cross-border ETF Funds - Cross-border ETF funds can be traded on the Shanghai and Shenzhen stock exchanges, allowing for both on-market trading and subscription/redemption operations [1] - The trading mechanism includes T+0 trading, enabling same-day buy and sell transactions without limits on trading frequency [2] - ETF fund shares redeemed require T+2 settlement for the funds to be available [2] Group 2: Necessary Conditions for Arbitrage - Selecting brokers that support RTGS settlement mechanisms is essential, as only a few brokers provide this support [3] - Ensuring low transaction costs is crucial to minimize friction costs, including subscription, redemption fees, and trading commissions [3] - A deep understanding of the trading mechanisms of cross-border ETF funds is necessary, and consulting with securities advisors is recommended [3] Group 3: Instant Arbitrage Strategies and Steps - Instant arbitrage can be categorized into premium arbitrage and discount arbitrage [4] - For premium arbitrage (when market price > IOPV): 1. Subscribe to cross-border ETF by following the daily published subscription list and obtaining ETF shares [5] 2. Sell the ETF shares in the secondary market at the expected market price [5] - For discount arbitrage (when market price < IOPV): 1. Buy ETF shares in the secondary market at the expected market price [5] 2. Redeem the ETF shares to receive a basket of stocks or cash, avoiding the need to sell stocks if cash is redeemed [5]