Group 1 - Recent tightening of subscription limits for QDII products, with some funds suspending subscriptions altogether [1][2][3] - The Invesco Nasdaq Technology ETF has seen its premium rate reach a historical high, surpassing 21% for the first time [1][4] - Fund managers are warning about premium risks due to high demand and insufficient QDII quotas, which prevent arbitrage opportunities [1][5] Group 2 - Several QDII products have implemented subscription limits, with some reducing the limit from 200,000 RMB to as low as 100 RMB [2][3] - The market for QDII products is characterized by high premiums, with the highest premium rate recorded at 18.28% as of November 21 [4] - Fund companies are issuing warnings against blind investments in high-premium products, emphasizing the risks involved [6]