{
    "id": "MAC-004",
    "category": "MAC",
    "title": "收益率曲線中段曲率",
    "question": "中期債息相對短端與長端連線偏高還是偏低？",
    "chart": "line",
    "metric": "中段相對線性曲率（基點）",
    "secondary": "短、中、長三個原始收益率",
    "x": "觀測日期",
    "y": "中段相對線性曲率（基點）",
    "panels": [
        "主圖：中段相對線性曲率（基點），依觀測日期排列",
        "輔圖：短、中、長三個原始收益率",
        "明細：收益率曲線中段曲率的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "國家／資產／貨幣",
        "資料日期與觀測頻率",
        "三個收益率期限"
    ],
    "apis": [
        "EOD",
        "EXCHANGE"
    ],
    "calculation": "選同國GBOND三個可用年期，按年期距離插值短長兩端，再以中段收益率減插值收益率×100。",
    "caveat": "非等距年期需按實際距離加權；此為形狀指標，不是可交易蝶式套利收益。 各資產需對齊貨幣、交易日與時區；宏觀修訂值不代表當時已知數據。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 5,
    "decision": 6,
    "clarity": 7,
    "sample_labels": [
        "中段偏低",
        "接近直線",
        "中段偏高",
        "期限缺失"
    ],
    "cadence": "依原始資料發布頻率；市場序列日更",
    "category_name": "宏觀、外匯與加密資產",
    "score": 54.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 900,
    "stage": "P4",
    "svg_file": "mockups/0900-MAC-004.svg",
    "demo_fingerprint": "0421c1af5289ab32",
    "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
        }
    }
}