{"stock_code": "002077", "stock_name": "大港股份", "market_type": "A", "analysis_date": "2026-03-25T08:46:25.481199", "structure_snapshot": {"structure_type": "uptrend", "ma200_position": "above", "phase": "middle", "key_levels": [{"price": 20.39, "label": "近期最高点（2026-01-22）"}, {"price": 17.42, "label": "近期次高点（2026-03-18）"}, {"price": 16.39, "label": "当前MA20/MA60价格"}, {"price": 15.2, "label": "近期低点（2026-03-04）"}, {"price": 12.59, "label": "算法检测头肩顶形态颈线（参考）"}], "trend_description": "当前价格 17.03 元，高于 MA