{
    "id": "TEC-027",
    "category": "TEC",
    "title": "波幅收縮型態觀察",
    "question": "價格波動與成交量是否同步收縮？",
    "chart": "multi",
    "metric": "波幅比率（倍）",
    "secondary": "訊號確認日期",
    "x": "交易日／觀察期",
    "y": "波幅比率（倍）",
    "panels": [
        "波幅收縮型態觀察",
        "訊號確認日期",
        "事件明細與資料日期"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "EOD"
    ],
    "calculation": "比較短長期ATR比與成交量比，固定門檻定義收縮，不宣稱確定突破。",
    "caveat": "衍生指標採自行計算；並非每種指標都有Technical API原生function，須留暖機期。",
    "data_class": "衍生",
    "complexity": "中",
    "audience": "進階",
    "reach": 7,
    "frequency": 8,
    "decision": 8,
    "clarity": 7,
    "sample_labels": [
        "T−5",
        "T−4",
        "T−3",
        "T−2",
        "T−1",
        "T"
    ],
    "cadence": "每日／事件觸發",
    "category_name": "技術分析",
    "score": 75.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 438,
    "stage": "P2",
    "svg_file": "mockups/0438-TEC-027.svg",
    "demo_fingerprint": "ed40bd0b6daa973b",
    "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
        }
    }
}