{"stock_code": "601857", "stock_name": "中国石油", "market_type": "A", "analysis_date": "2026-03-20T07:59:49.973524", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 13.69, "label": "近期高点(2026-03-04)"}, {"price": 12.24, "label": "当前价格"}, {"price": 11.15, "label": "近期次高点(2026-01-30)"}, {"price": 10.3, "label": "近期低点(2026-02-06)"}, {"price": 9.37, "label": "MA200"}], "trend_description": "当前价格12.24，位于MA5(12.12)上方0.12元，位于MA20(1