```json { "stock_code": "301139", "stock_name": "元道通信", "market_type": "A", "analysis_date": "2026-01-31T03:04:09.196011", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "below", "phase": "late", "key_levels": [ {"price": 21.65, "label": "近14日高点"}, {"price": 22.13, "label": "MA200均线"}, {"price": 19.03, "label": "近14日低点"}, {"price": 19.3, "label": "近2日低点"} ], "trend_description": "当前价格19.75元，低于MA5(19.98元)0.23元，低于M