```json { "stock_code": "301550", "stock_name": "斯菱智驱", "market_type": "A", "analysis_date": "2026-03-19T07:22:02.479818", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "above", "phase": "middle", "key_levels": [ {"price": 168.53, "label": "14日内最高价"}, {"price": 158.32, "label": "MA60"}, {"price": 140.00, "label": "当前价格"}, {"price": 138.93, "label "14日内最低价"}, {"price": 101.93, "label": "MA200"} ], "trend_de