```json { "stock_code": "600515", "stock_name": "海南机场", "market_type": "A", "analysis_date": "2026-01-23T02:14:34.179087", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "late", "key_levels": [ {"price": 5.14, "label": "近期高点"}, {"price": 4.93, "label": "MA20"}, {"price": 4.70, "label": "MA200/当前价格"}, {"price": 4.54, "label": "近期低点"} ], "trend_description": "当前价格 4.70，位于 MA20(4.93) 下方 0.23 元，位于 MA