```json { "stock_code": "600515", "stock_name": "海南机场", "market_type": "A", "analysis_date": "2026-01-16T09:35:05.354090", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 4.54, "label": "近期低点"}, {"price": 4.60, "label": "MA200"}, {"price": 5.02, "label": "MA20"}, {"price": 5.54, "label": "近期高点"} ], "trend_description": "当前价格 4.60 元，低于 MA5(4.70)、MA20(5.02) 和 MA6