Group 1 - The overall performance of CTA strategies was strong last year, with an average return of 19% [3] - However, there was significant performance disparity among different CTA strategies, with some performing exceptionally well while others did not yield profits [4] - The classification of CTA strategies is essential to understand the reasons behind this performance variation [6] Group 2 - CTA strategies can be categorized based on the type of investor: either human or machine [9] - Subjective CTAs tend to have concentrated positions, which can lead to high returns but also higher volatility [11] - In contrast, quantitative CTAs diversify across multiple assets and timeframes, resulting in smoother performance [12] Group 3 - The duration of investment is another classification criterion, with short to medium-term strategies focusing on high-frequency data and being sensitive to market fluctuations [14] - Long-term strategies emphasize macro and fundamental analysis, using weekly or monthly indicators to capture major trends and filter out short-term noise [16] Group 4 - The two main investment approaches are trend-following and cross-sectional strategies [18] - Trend strategies involve going long on rising assets and short on falling ones, capitalizing on the continuation of trends [19] - Cross-sectional strategies involve buying relatively strong assets while selling weaker ones, profiting from the "strength-weakness spread" [24] Group 5 - The ideal environment for cross-sectional strategies is when there is significant differentiation among asset performances [26] - For example, in the first half of 2025, precious metals showed strong performance while energy assets lagged, benefiting cross-sectional strategies [28] - However, policy changes can disrupt these strategies, as seen in July when energy assets rebounded, impacting cross-sectional strategy performance [29] Group 6 - The combination of the three classification criteria allows for a rich variety of strategy types, such as subjective long-term trend strategies and quantitative short-term cross-sectional strategies [31] - The macroeconomic environment in 2025 was complex, favoring long-term trend strategies that could track trends while filtering out short-term disturbances [34] Group 7 - For investors with strong judgment on specific assets or trends, targeted selection of CTA strategies is advisable [36] - However, for most ordinary investors, it is recommended to choose multi-asset and multi-strategy CTAs to ensure more stable overall performance [39]