港股投资周报：资源股反弹，港股精选组合年内相对恒指超额 4.08%-20260228

• The "Guosen JinGong Hong Kong Stock Selection Portfolio" aims to select stocks with both fundamental support and technical resonance from the analyst-recommended stock pool[13][14] - The portfolio construction involves using analyst recommendation events such as upward earnings forecast revisions, initial analyst coverage, and analyst report titles indicating unexpected events to build the stock pool[14] - The backtesting period for the portfolio is from January 1, 2010, to December 31, 2025, with an annualized return of 19.08% and an excess return of 18.06% relative to the Hang Seng Index after considering transaction costs[14] - The "Stable New High Stock Selection Method" identifies stocks that have reached new highs in the past 250 trading days and have stable price paths[19][21] - The specific calculation for the 250-day new high distance is: $ 250 \text{ day new high distance} = 1 - \frac{Closet}{ts_max(Close, 250)} $ where Closet is the latest closing price, and ts_max(Close, 250) is the maximum closing price in the past 250 trading days[21] - Stocks are selected based on analyst attention, relative stock strength, price path stability, and continuity of new highs[22] - The "Guosen JinGong Hong Kong Stock Selection Portfolio" achieved an annualized return of 19.08% and an excess return of 18.06% relative to the Hang Seng Index during the backtesting period from January 1, 2010, to December 31, 2025[14] - The portfolio's performance in 2020 was particularly notable with a return of 66.59% and an excess return of 70.00% relative to the Hang Seng Index[18] - The portfolio's Information Ratio (IR) was 1.19 over the entire sample period[18] - The "Stable New High Stock Selection Method" identified 13 stocks from the cyclical sector, 11 from manufacturing, 5 from consumer, 3 from technology, 1 from finance, and 1 from healthcare as stable new high stocks[21] - The method emphasizes the effectiveness of momentum and trend-following strategies, particularly in the Hong Kong market[19]