```json { "stock_code": "600050", "stock_name": "中国联通", "market_type": "A", "analysis_date": "2026-01-09T05:06:41.313961", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 5.49, "label": "近期高点"}, {"price": 5.38, "label": "MA200"}, {"price": 5.34, "label": "MA60"}, {"price": 5.07, "label": "近期低点"} ], "trend_description": "当前价格 5.38元。价格位于 MA5(5.23)上方 0.15元，位于 MA20(5.