```json { "stock_code": "300641", "stock_name": "正丹股份", "market_type": "A", "analysis_date": "2026-01-22T05:33:35.860952", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 21.98, "label": "近期高点（过去14日最高）"}, {"price": 20.67, "label": "当前价格与MA200重合"}, {"price": 19.06, "label": "MA20均线"}, {"price": 18.98, "label": "MA60均线"}, {"price": 17.71, "label": "近期低点（过去14日最低）"}