{
    "id": "OPT-026",
    "category": "OPT",
    "title": "買入跨式損益",
    "question": "需要多大股價變動才足以支付雙邊保費？",
    "chart": "line",
    "metric": "到期損益（USD／組）",
    "secondary": "上下平衡價及總保費",
    "x": "到期股價（USD）",
    "y": "到期損益（USD／組）",
    "panels": [
        "主圖：到期損益（USD／組），依到期股價（USD）排列",
        "輔圖：上下平衡價及總保費",
        "明細：買入跨式損益的資料列、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",
        "履約價與總成本上限"
    ],
    "apis": [
        "OPTIONS"
    ],
    "calculation": "同K同到期買call和put，保守以兩腿ask成本，收益=max(S-K,0)+max(K-S,0)-成本。",
    "caveat": "靜態到期圖不展示途中IV變化；最後價不保證能買入。 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": [
        "下平衡點",
        "履約價以下",
        "履約價",
        "履約價以上",
        "上平衡點"
    ],
    "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": 489,
    "stage": "P2",
    "svg_file": "mockups/0489-OPT-026.svg",
    "demo_fingerprint": "8943d693370953c9",
    "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
        }
    }
}