{ "stock_code": "600280", "stock_name": "中央商场", "market_type": "A", "analysis_date": "2023-12-31T00:00:00", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 4.55, "label": "近期高点"}, {"price": 4.33, "label": "MA20"}, {"price": 4.15, "label": "MA200"}, {"price": 3.85, "label": "近期低点"}, {"price": 3.83, "label": "MA60"} ], "trend_description": "价格4.15，位于MA20(4.