```json { "stock_code": "601933", "stock_name": "永辉超市", "market_type": "A", "analysis_date": "2026-02-18T03:03:52.737895", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "below", "phase": "middle", "key_levels": [ {"price": 4.87, "label": "MA200(200日均线)"}, {"price": 4.73, "label": "MA60(60日均线)"}, {"price": 4.76, "label": "近期高点(2026-02-05)"}, {"price": 4.26, "label": "近期低点(2026-02-10)"} ], "trend_description": "当前