{"stock_code": "601991", "stock_name": "大唐发电", "market_type": "A", "analysis_date": "2026-05-24T08:23:13.053236", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 8.38, "label": "近期高点（压力位）"}, {"price": 5.86, "label": "MA20（支撑位）"}, {"price": 4.66, "label": "MA60（支撑位）"}], "trend_description": "均线多头排列：MA5(7.56) > MA20(5.86) > MA60(4.66) > MA200(3.88)。价格从3.84上涨至8.38后回落至6.89，当前价格位于MA20上方1.03元，高于MA200约3.01元。"}, "pattern_fitting