```json { "stock_code": "300641", "stock_name": "正丹股份", "market_type": "A", "analysis_date": "2026-01-26T13:38:23.621748", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "late", "key_levels": [ {"price": 21.98, "label": "近期高点"}, {"price": 20.06, "label": "MA200/当前价格"}, {"price": 20.03, "label": "近期低点"}, {"price": 19.31, "label": "MA20"} ], "trend_description": "当前价格 20.06 元，与 MA200(20.06) 相等，高于 MA2