{"stock_code": "000158", "stock_name": "常山北明", "market_type": "A", "analysis_date": "2026-04-12T03:05:08.502485", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 22.59, "label": "主要头肩顶形态颈线位"}, {"price": 22.0, "label": "近期高点（2026-03-09）"}, {"price": 21.97, "label": "MA200均线"}, {"price": 19.82, "label": "MA60均线"}, {"price": 18.09, "label": "MA20均线"}, {"price": 16.68, "label": "近期低点（2026-03-27）"}], "trend_description": "当