```json { "stock_code": "600518", "stock_name": "康美药业", "market_type": "A", "analysis_date": "2023-01-01T00:00:00", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [ {"price": 1.98, "label": "近期高点"}, {"price": 1.88, "label": "近期低点"}, {"price": 2.00, "label": "MA200"}, {"price": 1.94, "label": "MA60"} ], "trend_description": "价格当前1.93，位于MA20(1.92)上方0.01元，位于MA200(2.00)下方0.0