200万新股民跑入A股，债市大跳水

Core Viewpoint - The A-share market has shown significant upward momentum, with the Shanghai Composite Index breaking the 3700-point mark, while the bond market has experienced a sell-off, indicating a "stock-bond seesaw" effect [1][3][10]. Group 1: A-Share Market Performance - On August 18, the Shanghai Composite Index closed at 3728.03 points, marking a 0.85% increase and reaching a nearly 10-year high, with a year-to-date increase of 11.23% [1][10]. - The trading volume in the A-share market reached 2.76 trillion yuan, with margin financing balances exceeding 2 trillion yuan, indicating strong market participation [1][10]. - In July, 196.36 thousand new A-share accounts were opened, a 19% increase from June, contributing to a total of 1,456.13 thousand new accounts year-to-date, a 36.88% year-on-year increase [1][11]. Group 2: Bond Market Performance - On August 18, the bond market saw a significant decline, with the 30-year government bond futures dropping 1.33%, marking the largest decline since March 2025 [4][6]. - The yields on long-term government bonds have risen, with the 30-year bond yield increasing to 2.0450% and the 10-year bond yield expected to remain in the range of 1.65% to 1.75% [5][15]. - The Ministry of Finance announced measures to support the liquidity of government bonds in the secondary market, indicating a proactive approach to stabilize the bond market [7][8]. Group 3: Market Sentiment and Future Outlook - Analysts suggest that the current market conditions reflect a "healthy bull" phase, with significant inflows of new capital and a positive sentiment among investors [12][13]. - The stock market's upward trend is expected to continue, driven by economic stability and ongoing policy support, while the bond market may face challenges due to rising yields [16][17]. - Historical patterns indicate that the bond market may not sustain deep declines, as fundamental and policy factors are likely to stabilize yields in the long term [15].