{
    "id": "OPT-010",
    "category": "OPT",
    "title": "到期與履約價成交熱圖",
    "question": "交易熱度集中在哪個期限和價格？",
    "chart": "heatmap",
    "metric": "合約成交量（張）",
    "secondary": "認購／認沽比例",
    "x": "到期日與履約價",
    "y": "合約成交量（張）",
    "panels": [
        "主圖：合約成交量（張），依到期日與履約價排列",
        "輔圖：認購／認沽比例",
        "明細：到期與履約價成交熱圖的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "美股標的與報價日",
        "到期日與行權價",
        "期權類型"
    ],
    "apis": [
        "OPTIONS"
    ],
    "calculation": "對同日完整鏈按 exp_date×strike 加總 volume，以type分面。",
    "caveat": "跨到期合約不是同風險單位；未抓完整分頁不能列全市場。 Marketplace 額外方案；僅美股日終快照，不含逐筆買賣方向或券商庫存；先驗證合約乘數。",
    "data_class": "額外方案",
    "complexity": "低",
    "audience": "進階",
    "reach": 6,
    "frequency": 7,
    "decision": 8,
    "clarity": 9,
    "sample_labels": [
        "近月低K",
        "近月平值",
        "近月高K",
        "遠月平值"
    ],
    "cadence": "美股收市後日更",
    "category_name": "美股期權",
    "score": 71.0,
    "requires_user_input": false,
    "requires_extra_plan": true,
    "source_urls": [
        "https://eodhd.com/marketplace/unicornbay/options"
    ],
    "rank": 574,
    "stage": "P3",
    "svg_file": "mockups/0574-OPT-010.svg",
    "demo_fingerprint": "0e40ae112498aadd",
    "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
        }
    }
}