牛市里，债券要不要搬家？

Core Viewpoint - The article emphasizes the importance of a balanced stock-bond allocation strategy to navigate market fluctuations and achieve stable long-term returns, particularly in the context of the current market conditions where valuations are approaching high levels [5][9][29]. Group 1: Stock-Bond Balance - The stock-bond balance strategy, first proposed by Benjamin Graham, aims to construct a portfolio using low-correlated assets to mitigate overall volatility while achieving average market returns [8]. - Historical data from 2005 to 2022 shows that different stock-bond allocations yield varying returns and risks, highlighting the need for investors to understand their own risk tolerance when determining their allocation [14][16]. Group 2: Allocation Strategies - Fixed Method: This method suggests maintaining a 50:50 stock-bond ratio, with periodic rebalancing to keep the allocation balanced as market conditions change [19][20]. - Dynamic Method: This approach allows for a more flexible allocation, keeping stock exposure between 30% and 70%, adjusting based on market valuations to optimize returns [21][22]. - Age-Based Method: This strategy recommends adjusting equity exposure based on age, with younger investors taking on more risk and older investors favoring bonds to reduce volatility [26][28]. Group 3: Market Conditions and Investor Behavior - The current market environment, with the Shanghai Composite Index surpassing 3800 points and valuations nearing 60°C, presents both opportunities and challenges for investors [5][29]. - Investors often struggle with emotional decision-making, leading to a cycle of chasing gains and fearing losses, which can be mitigated through disciplined adherence to a balanced allocation strategy [5][9].