{"stock_code": "301266", "stock_name": "宇邦新材", "market_type": "A", "analysis_date": "2026-03-20T09:24:21.440862", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "above", "phase": "late", "key_levels": [{"price": 54.92, "label": "近期高点(2026-02-27)"}, {"price": 52.48, "label": "近期高点(2026-02-11)"}, {"price": 50.0, "label": "近期高点(2026-01-30)"}, {"price": 49.53, "label": "颈线位置(参考算法)"}, {"price": 45.25, "label": "近期低点(2026-02-25)"}, {"price": 37.94, "label": "MA200"}], "trend_des