```json { "stock_code": "600022", "stock_name": "山东钢铁", "market_type": "A", "analysis_date": "2026-02-27T05:48:48.057893", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "above", "phase": "middle", "key_levels": [ {"price": 1.83, "label": "近期高点（近14日最高）"}, {"price": 1.82, "label": "最新交易日高点"}, {"price": 1.78, "label": "当前价格"}, {"price": 1.73, "label": "最新交易日低点"}, {"price": 1.53, "label": "近期低点（近14日最低）"}, {"price"