```json { "stock_code": "002491", "stock_name": "通鼎互联", "market_type": "A", "analysis_date": "2026-01-20T22:21:14.515776", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 5.88, "label": "当前价格（与MA200重合）"}, {"price": 6.21, "label": "MA20"}, {"price": 6.40, "label": "近14日最高价"}, {"price": 5.85, "label": "近14日最低价（最近交易日低点）"}, {"price": 5.79, "label": "MA60"}, {"p