```json { "stock_code": "002251", "stock_name": "步步高", "market_type": "A", "analysis_date": "2024-06-01T00:00:00", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [ {"price": 5.35, "label": "近期高点"}, {"price": 5.44, "label": "MA200"}, {"price": 5.24, "label": "MA20"}, {"price": 5.02, "label": "近期低点"} ], "trend_description": "价格5.13，位于MA5(5.18)下方0.05元，MA20(5.24)下方0.11元，MA60