{
    "id": "VOL-050",
    "category": "VOL",
    "title": "流動性觀察月報",
    "question": "觀察標的整月的交易活躍度是否退化？",
    "chart": "multi",
    "metric": "估算日成交額中位（報價幣）",
    "secondary": "相對歷史基線（倍）",
    "x": "交易日／觀察期",
    "y": "估算日成交額中位（報價幣）",
    "panels": [
        "流動性觀察月報",
        "相對歷史基線（倍）",
        "事件明細與資料日期"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "EOD",
        "TECH"
    ],
    "calculation": "彙整中位成交額、低量日與Amihud代理，比較前月有效日數。 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": "OHLCV不能識別主動買賣、投資者身份、逐筆籌碼或真實資金淨流入。 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": "衍生",
    "complexity": "中",
    "audience": "進階",
    "reach": 6,
    "frequency": 7,
    "decision": 7,
    "clarity": 6,
    "sample_labels": [
        "T−5",
        "T−4",
        "T−3",
        "T−2",
        "T−1",
        "T"
    ],
    "cadence": "每日／事件觸發",
    "category_name": "成交量與流動性",
    "score": 65.5,
    "requires_user_input": false,
    "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": 720,
    "stage": "P3",
    "svg_file": "mockups/0720-VOL-050.svg",
    "demo_fingerprint": "22d116dd81ffe4c4",
    "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
        }
    }
}