```json { "stock_code": "600280", "stock_name": "中央商场", "market_type": "A", "analysis_date": "2026-01-20T11:31:18.132327", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 4.55, "label": "近14日最高点"}, {"price": 4.20, "label": "MA20"}, {"price": 4.02, "label": "MA200及当前价格"}, {"price": 3.89, "label": "MA60"}, {"price": 3.85, "label": "近14日最低点"} ], "trend_descr