```json { "stock_code": "600515", "stock_name": "海南机场", "market_type": "A", "analysis_date": "2025-12-31T02:03:17.889253", "structure_snapshot": { "structure_type": "consolidation", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 4.45, "label": "重要支撑位（本轮上涨启动点）"}, {"price": 4.92, "label": "动态支撑位（MA60均线）"}, {"price": 5.13, "label": "动态中枢位（MA200均线及当前价格）"}, {"price": 5.39, "label": "短期压力位（近期震荡平台下沿及12月19日收盘价）"}, {"price":