{"stock_code": "601991", "stock_name": "大唐发电", "market_type": "A", "analysis_date": "2026-05-10T10:49:34.507108", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "above", "phase": "late", "key_levels": [{"price": 4.15, "label": "支撑位1(MA20)"}, {"price": 4.06, "label": "支撑位2(MA60)"}, {"price": 3.68, "label": "支撑位3(MA200)"}, {"price": 6.0, "label": "压力位1(整数关口)"}], "trend_description": "当前价格5.54高于MA5(4.72)、MA20(4.15)、MA60(4.06)、MA200(3.68)，均线呈多头排列。价格在30个交易日内从3.84上涨至5.54，涨幅约44.3