金融工程定期：港股量化：2026开年恒指强劲，2月组合维持低估值配置

• The "Hong Kong CCASS Preferred 20 Portfolio" model was constructed using a two-step screening method: first selecting brokers and then selecting stocks[35][39] - The model identifies top-performing brokers by standardizing excess Sharpe ratios and monthly win rates, then combines them into a composite score[39] - The portfolio is built by equally distributing funds among the top 10 brokers and selecting the top 20 stocks based on weight, which are then equally weighted[39] - The benchmark index for the portfolio is the Hang Seng Index (HSI.HI)[40] Model Performance - January 2026 portfolio return: 6.32%, Hang Seng Index return: 6.85%, excess return: -0.53%[41] - Full period (2020.1–2026.1) excess annualized return: 19.3%, excess Sharpe ratio: 2.45[41] - Annualized excess returns by year: 2020: 30.9%, 2021: 12.0%, 2022: 11.9%, 2023: 22.5%, 2024: 23.2%, 2025: 18.6%, 2026 YTD: -6.2%[42] - Maximum drawdown during the full period: -7.6%[42] - Monthly win rate during the full period: 75.3%[42]