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]

Core Insights - The article discusses the early days of LOF funds in China, highlighting the arbitrage opportunities that existed due to the mispricing between market prices and net asset values [1][2] - It reflects on the transition from a manual, hands-on approach to arbitrage to a more automated and sophisticated trading environment, marking the end of an era for simple arbitrage strategies [2] Group 1: Arbitrage Opportunities - In the early 2000s, LOF funds often traded at a discount to their net asset values, creating opportunities for risk-free arbitrage [1] - Investors could buy LOF funds at a lower market price and redeem them at a higher net asset value, locking in profits [1][2] - The article describes a young investor who capitalized on these opportunities, earning significant profits by frequently redeeming funds at the brokerage [1] Group 2: Evolution of the Market - As the market matured, the pricing discrepancies in LOF funds diminished, and brokerages began offering in-house redemption options, reducing the need for manual arbitrage [2] - The influx of arbitrageurs and improved information flow contributed to the decline of the arbitrage opportunities that once existed [2] - The narrative emphasizes the shift from a "golden age" of arbitrage to a more structured and automated trading environment, where strategies have evolved significantly [2]