{ "stock_code": "600050", "stock_name": "中国联通", "market_type": "A", "analysis_date": "2023-10-27T00:00:00", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 5.49, "label": "近期高点"}, {"price": 5.20, "label": "MA20"}, {"price": 5.12, "label": "MA200"}, {"price": 5.07, "label": "近期低点"} ], "trend_description": "价格5.12，位于MA20(5.20)下方0.08元，位于MA60(5.30)下方0.18元，与MA200(5.