{"stock_code": "601899", "stock_name": "紫金矿业", "market_type": "A", "analysis_date": "2026-06-17T06:26:29.696143", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 29.88, "label": "支撑位1（近期低点拐点2026-05-22）"}, {"price": 27.33, "label": "支撑位2（近30日最低价2026-05-20）"}, {"price": 30.17, "label": "压力位1（MA20）"}, {"price": 31.83, "label": "压力位2（MA200）"}], "trend_description": "当前价格30.24元，位于MA20（30.17）下方0.07元，位于MA60（32.39）下方2.15元，位于MA