Group 1 - The coal ETF (515220) has seen significant inflows, with over 2 billion yuan net inflow for 10 consecutive days and over 2.9 billion yuan in the last 20 days, reaching a total size of over 10 billion yuan, making it the largest ETF in the cyclical sector [1] - Everbright Securities indicates that recent news regarding "anti-involution" and "checking overproduction" has positively impacted the long-term expectations for coal prices, suggesting substantial upside potential for coal stock valuations and earnings [1] - Guotai Junan Securities forecasts a rebound in coal prices, expecting that as national temperatures rise and considering inventory depletion, the next two months will be a critical verification period for the fundamentals [1]