{
    "id": "VOL-005",
    "category": "VOL",
    "title": "OBV量能趨勢",
    "question": "上升日和下跌日的成交量累積有何差異？",
    "chart": "line",
    "metric": "OBV（股）",
    "secondary": "相對歷史基線（倍）",
    "x": "交易日／觀察期",
    "y": "OBV（股）",
    "panels": [
        "OBV量能趨勢",
        "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": "按close日變化符號累加volume；平盤不變，不代表可觀察主動資金流。 跨日high/low/close及方向比較一律用同基準僅拆股調整價格；volume保留EOD已拆股調整值。",
    "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。",
    "data_class": "衍生",
    "complexity": "中",
    "audience": "大眾",
    "reach": 8,
    "frequency": 9,
    "decision": 9,
    "clarity": 8,
    "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": 85.5,
    "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": 219,
    "stage": "P2",
    "svg_file": "mockups/0219-VOL-005.svg",
    "demo_fingerprint": "f7599b957c315f25",
    "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
        }
    }
}