{
    "id": "QNT-028",
    "category": "QNT",
    "title": "訊號頻率與容量",
    "question": "機會數目是否足够支撑策略規模？",
    "chart": "scatter",
    "metric": "年化訊號數（次）",
    "secondary": "基準／成本後回報（%）",
    "x": "基準／成本後回報（%）",
    "y": "年化訊號數（次）",
    "panels": [
        "訊號頻率與容量",
        "基準／成本後回報（%）",
        "事件明細與資料日期"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "EOD",
        "USER",
        "TECH"
    ],
    "calculation": "統計獨立入場事件與每次標的日成交額，容量為用戶參與率模型。 成交額共用口徑：function=splitadjusted的典型價×EOD已拆股調整volume；或先以拆股因子逆向還原volume再乘原始典型價。不能以含股息adjusted_close估算成交金額。",
    "caveat": "需自建回測引擎與執行假設；歷史結果不是未來保證，不以最佳樣本代替保留測試。 用戶設定／持倉或模擬交易不由EODHD提供。 日線估算金額不是逐筆成交額；價格、股數、報價單位與跨市場FX須一致。",
    "data_class": "用戶資料",
    "complexity": "高",
    "audience": "進階",
    "reach": 6,
    "frequency": 5,
    "decision": 7,
    "clarity": 5,
    "sample_labels": [
        "示例甲",
        "示例乙",
        "示例丙",
        "示例丁",
        "示例戊"
    ],
    "cadence": "每次回測／每週監控",
    "category_name": "量化策略與回測",
    "score": 58.5,
    "requires_user_input": true,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/technical-indicators-api"
    ],
    "rank": 811,
    "stage": "P4",
    "svg_file": "mockups/0811-QNT-028.svg",
    "demo_fingerprint": "08c7d70b4c27b96d",
    "collection": "catalogue",
    "sample_annotation": {
        "sample": true,
        "as_of": "2026-10-16",
        "notice": "Charts and tables for this report are generated, deterministic synthetic sample observations for educational layout and unit demonstration only. No provider, market data or analysis engine is called, and nothing here is a statement about real securities.",
        "notice_zh": "此報告的圖表與數據為確定性生成的合成示例數據，僅供教育及版面展示；並無連接任何資料供應商或實際分析引擎，不代表任何真實證券的表現。",
        "default_filters": {
            "symbol": "0700.HK",
            "period": "1Y",
            "benchmark": "HSI"
        },
        "filters": {
            "symbol": [
                "0700.HK",
                "0005.HK",
                "AAPL.US",
                "MSFT.US",
                "SPY.US",
                "BTC-USD.CC"
            ],
            "period": [
                "1Y",
                "3Y",
                "5Y"
            ],
            "benchmark": [
                "HSI",
                "SPX",
                "BTC"
            ]
        },
        "library": {
            "version": "2026-10-19",
            "source": "https://chatgpt.com/share/6ad67223-c610-83e8-adb2-33aaf792e584",
            "sample": true
        }
    }
}