以备兑增收为主

Market Performance - The Shanghai Composite Index rose by 0.28%, with 3,839 stocks in the market increasing in value [1] - The ChiNext Index showed the strongest performance, increasing by 1.65% [2] - The CSI 1000 Index increased by 0.76%, with significant trading activity in its options [1][2] Trading Volume and Options Activity - A-shares had a total trading volume of 1.32 trillion yuan, a decrease of 190 billion yuan from the previous day [1] - The trading volume for the CSI 300 Index options was 89,600 contracts, with an open interest of 183,400 contracts, indicating a high level of activity [2] - The ChiNext ETF options had a trading volume of 1,196,500 contracts and an open interest of 1,317,200 contracts, reflecting increased investor interest [2] Options Market Insights - The PCR (Put-Call Ratio) for the CSI 300 Index options was 68.67% for trading volume and 70.26% for open interest, indicating a growing trend of selling put options [2] - The current valuation of IO options is relatively low, suggesting potential opportunities for investors [2] - The market is expected to remain in a volatile range, with strong support and resistance levels identified for the ChiNext Index [2]