{
    "id": "OPT-039",
    "category": "OPT",
    "title": "期權持倉期限再分布",
    "question": "未平倉是否從近月移向遠月？",
    "chart": "stacked",
    "metric": "期限桶OI變化（張）",
    "secondary": "新增與到期消失合約",
    "x": "觀測日",
    "y": "期限桶OI變化（張）",
    "panels": [
        "主圖：期限桶OI變化（張），依觀測日排列",
        "輔圖：新增與到期消失合約",
        "明細：期權持倉期限再分布的資料列、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",
        "固定到期桶規則"
    ],
    "apis": [
        "OPTIONS"
    ],
    "calculation": "固定日歷到期桶對比兩次完整鏈OI，分離到期消失、仍存續合約及新合約。",
    "caveat": "只能看到總體再分布，不能證明同一交易者轉倉。 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": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 5,
    "decision": 6,
    "clarity": 7,
    "sample_labels": [
        "近期到期",
        "次月",
        "季月",
        "遠月",
        "已到期"
    ],
    "cadence": "美股收市後日更",
    "category_name": "美股期權",
    "score": 54.5,
    "requires_user_input": false,
    "requires_extra_plan": true,
    "source_urls": [
        "https://eodhd.com/marketplace/unicornbay/options"
    ],
    "rank": 903,
    "stage": "P4",
    "svg_file": "mockups/0903-OPT-039.svg",
    "demo_fingerprint": "dfbe19fc1825c913",
    "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
        }
    }
}