Core Insights - Lin Hai, a seasoned trader with 20 years of experience, emphasizes the importance of understanding macro policies and market dynamics in trading, leading to his recognition in the high-net-worth group and as an outstanding trader in polysilicon futures and options [1] Group 1: Trading Philosophy - The core of Lin Hai's trading philosophy is to "grasp the big contradictions," focusing on major market trends rather than minor fluctuations [2] - He transitioned from stock trading to futures, realizing that both markets share the same profit and loss sources, and that significant profits come from major market movements [2] Group 2: Market Opportunities - Lin Hai identified a key opportunity in the polysilicon market, where prices rose from 30,000 yuan/ton to 50,000 yuan/ton, by recognizing that the industry was at a loss and that the "anti-involution" policy would support high-quality development [3] - He noted that the price of polysilicon had fallen below the cost line, indicating a potential for recovery as the industry aimed for higher quality [3] Group 3: Risk Management - Lin Hai advocates for a diversified investment strategy, limiting exposure to any single commodity to no more than 10% to mitigate risks from unexpected market events [4] - His approach combines long-term strategic views with short-term tactical adjustments, focusing on maintaining a comfortable mental state while trading [4]