{"stock_code": "600900", "stock_name": "长江电力", "market_type": "A", "analysis_date": "2026-03-24T06:46:35.648038", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "below", "phase": "middle", "key_levels": [{"price": 27.63, "label": "近期高点（2026-03-09）"}, {"price": 25.17, "label": "近期低点（2026-01-29）"}, {"price": 26.72, "label": "MA60"}, {"price": 27.79, "label": "MA200"}], "trend_description": "当前价格 27.06，位于 MA20(26.99) 上方 0.07 元，位于 MA200(27.79) 下方 0.73 元。过去 20 个交易日中，价格有 18 天在 M