{"stock_code": "300641", "stock_name": "正丹股份", "market_type": "A", "analysis_date": "2026-03-10T05:54:07.326966", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 20.84, "label": "近期高点"}, {"price": 19.89, "label": "MA20"}, {"price": 19.28, "label": "MA60"}, {"price": 18.28, "label": "近期低点"}, {"price": 21.29, "label": "MA200"}, {"price": 19.35, "label": "MA5"}], "trend_description": "价格 19.66，位于 MA20(19.89) 下方 0.23 元，位于