{"stock_code": "600900", "stock_name": "长江电力", "market_type": "A", "analysis_date": "2026-04-20T07:16:39.493657", "structure_snapshot": {"structure_type": "consolidation", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 26.24, "label": "近期低点（2026-04-13）"}, {"price": 26.66, "label": "近期低点（2026-03-23）"}, {"price": 27.65, "label": "近期高点（2026-03-18）"}, {"price": 27.56, "label": "MA200均线"}, {"price": 30.12, "label": "双底形态颈线（算法检测）"}], "trend_description": "当前价格26.84元，位于MA200（27