Quantitative Models and Construction Methods 1. Model Name: Hong Kong Stock Selection Portfolio Strategy - **Model Construction Idea**: The strategy is based on a dual-layer selection process that integrates fundamental and technical analysis. It aims to identify stocks with both fundamental support and technical resonance from an analyst-recommended stock pool[13][14] - **Model Construction Process**: 1. **Analyst Recommendation Pool**: Constructed using three types of analyst recommendation events: upward earnings forecast revisions, initial analyst coverage, and research reports with unexpected positive titles[14] 2. **Dual-Layer Screening**: - **Fundamental Screening**: Select stocks with strong fundamental support - **Technical Screening**: Identify stocks with technical resonance 3. **Portfolio Backtesting**: The backtesting period spans from January 1, 2010, to June 30, 2025. The portfolio assumes a fully invested position and accounts for transaction costs[14] - **Model Evaluation**: The strategy demonstrates strong performance, with an annualized return of 19.11% and an excess return of 18.48% relative to the Hang Seng Index over the backtesting period[14] 2. Model Name: Stable New High Stock Screening - **Model Construction Idea**: This model leverages the momentum effect, which is particularly significant in the Hong Kong stock market. It identifies stocks that have recently reached a 250-day high and exhibit stable price paths[19][21] - **Model Construction Process**: 1. **250-Day High Distance Calculation**: $ 250\text{-Day High Distance} = 1 - \frac{\text{Close}_{\text{latest}}}{\text{ts\_max}(\text{Close}, 250)} $ - $\text{Close}_{\text{latest}}$: Latest closing price - $\text{ts\_max}(\text{Close}, 250)$: Maximum closing price over the past 250 trading days[21] 2. **Screening Criteria**: - **Analyst Attention**: At least five "Buy" or "Overweight" ratings in the past six months - **Relative Strength**: Top 20% in 250-day price change within the sample pool - **Price Stability**: Top 50% based on a composite score of price path smoothness and new high persistence[22] - **Trend Continuation**: Top 50 stocks based on the average 250-day high distance over the past five days[22] - **Model Evaluation**: The model effectively identifies stocks with strong momentum and stable price paths, making it a useful tool for trend-following strategies[19][21] --- Model Backtesting Results 1. Hong Kong Stock Selection Portfolio Strategy - **Annualized Return**: 19.11% - **Excess Return (Relative to Hang Seng Index)**: 18.48% - **Maximum Drawdown**: 23.73% - **Information Ratio (IR)**: 1.22 - **Tracking Error**: 14.55% - **Return-to-Drawdown Ratio**: 0.78[18] 2. Stable New High Stock Screening - **Sector Distribution**: - **Healthcare**: 16 stocks - **Finance**: 9 stocks - **Technology**: 8 stocks - **Consumer**: 8 stocks - **Cyclicals**: 3 stocks[21][22]