```json { "stock_code": "603456", "stock_name": "九洲药业", "market_type": "A", "analysis_date": "2026-01-29T00:34:47.829836", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 18.37, "label": "MA200及当前价格"}, {"price": 18.33, "label": "近期低点"}, {"price": 19.74, "label": "近期高点"}, {"price": 20.20, "label": "近期最高价"}, {"price": 19.03, "label": "MA20"}, {"price": 18.96,