```json { "stock_code": "600512", "stock_name": "腾达建设", "market_type": "A", "analysis_date": "2026-02-28T02:58:46.566261", "structure_snapshot": { "structure_type": "consolidation", "ma200_position": "above", "phase": "middle", "key_levels": [ {"price": 2.56, "label": "近期高点"}, {"price": 2.50, "label": "MA20/MA60密集区"}, {"price": 2.43, "label": "近期低点"}, {"price": 2.42, "label": "MA200"} ], "trend_description": "价格2.54，位于MA5(2.50)上方0.04元，位于M