{
    "id": "commodities-03",
    "category": "commodities",
    "category_name": "商品參考價格",
    "title": "布蘭特與WTI地區價差",
    "question": "布蘭特與WTI地區價差",
    "chart": "multi",
    "metric": "布蘭特與WTI地區價差",
    "secondary": "雙線＋價差",
    "x": "觀察期／樣本",
    "y": "示例數值",
    "panels": [
        "布蘭特與WTI地區價差",
        "雙線＋價差",
        "資料明細"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "COMMODITIES"
    ],
    "calculation": "spread=BRENT−WTI；缺日不視為0。",
    "caveat": "地點、品質及交付條件不同；不是現成無風險套利或期貨calendar spread。",
    "inputs": "BRENT與WTI共同日期USD/barrel值",
    "extra_inputs": "依左側必要欄位與限制核實",
    "data_class": "衍生",
    "complexity": "原生／衍生，逐標的驗證",
    "rank": 3,
    "stage": "P0",
    "collection": "product",
    "source_urls": [
        "https://eodhd.com/financial-apis/commodities-api-historical-prices-for-oil-gas-metals-agriculture-beta"
    ],
    "requires_user_input": false,
    "requires_extra_plan": false,
    "cadence": "示例資料",
    "sample_labels": [
        "2019",
        "2020",
        "2021",
        "2022",
        "2023",
        "2024"
    ],
    "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
        }
    }
}