{
    "id": "OPT-023",
    "category": "OPT",
    "title": "牛市認購價差損益",
    "question": "有限預算看升的上限和下限是多少？",
    "chart": "line",
    "metric": "到期損益（USD／標準組）",
    "secondary": "最大損失、最大收益及平衡價",
    "x": "到期股價（USD）",
    "y": "到期損益（USD／標準組）",
    "panels": [
        "主圖：到期損益（USD／標準組），依到期股價（USD）排列",
        "輔圖：最大損失、最大收益及平衡價",
        "明細：牛市認購價差損益的資料列、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",
        "兩腿履約價及到期"
    ],
    "apis": [
        "OPTIONS"
    ],
    "calculation": "同到期買低K call用ask、賣高K call用bid；損益為兩腿內在價值差減淨成本。",
    "caveat": "不同腿可能不能同時成交；標準乘數先驗證，提前指派另處理。 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": "中",
    "audience": "進階",
    "reach": 7,
    "frequency": 7,
    "decision": 8,
    "clarity": 9,
    "sample_labels": [
        "低於買腿K",
        "買腿K",
        "平衡價",
        "賣腿K",
        "高於賣腿K"
    ],
    "cadence": "美股收市後日更",
    "category_name": "美股期權",
    "score": 74.5,
    "requires_user_input": false,
    "requires_extra_plan": true,
    "source_urls": [
        "https://eodhd.com/marketplace/unicornbay/options"
    ],
    "rank": 488,
    "stage": "P2",
    "svg_file": "mockups/0488-OPT-023.svg",
    "demo_fingerprint": "ef8587094e889708",
    "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
        }
    }
}