{"stock_code": "000981", "stock_name": "山子高科", "market_type": "A", "analysis_date": "2026-04-09T09:50:31.768263", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "middle", "key_levels": [{"price": 4.28, "label": "近期低点拐点(2026-03-04)"}, {"price": 3.48, "label": "MA200"}, {"price": 4.72, "label": "近期高点拐点(2026-03-17)"}, {"price": 5.05, "label": "近期高点拐点(2026-02-27)"}], "trend_description": "1. 价格运行在所有中短期均线下方：当前价格4.14元，位于MA5(4.13元)上方0.01元，位于MA20(4.26元)下方0.12元，