Group 1 - The report argues that the all-weather strategy does require timing, contrary to common belief, as it relies on accurately measuring and fully hedging all risk factors [7][8][22] - It highlights that risk is time-varying and difficult to measure, which significantly impacts the effectiveness of strategies [8][22] - The report suggests that a simple risk parity strategy combined with timing could serve as a practical alternative to the all-weather strategy, focusing on hedging the most common risk factors in the current market [3][4][22] Group 2 - The report emphasizes that bond risk changes with interest rate levels, indicating that different measurement methods yield varying results for bond risk [10][12] - It notes that equity risk is correlated with economic cycles, with fluctuations in equity markets reflecting changes in GDP growth rates [13][14] - The report discusses the importance of adjusting rebalancing frequency, suggesting that higher frequency rebalancing can lead to better performance during volatile market conditions [23][30] Group 3 - The report identifies that not all risks can be fully hedged, and it is not necessary to do so for effective risk management [33][43] - It points out that currency risk should be considered separately due to the increasing relevance of overseas investments and transactions [37] - The report also highlights the need to differentiate between credit risk and equity risk, as their behaviors can be inversely related in domestic markets [38][40]