8月18日13:00｜512890午盘涨0.17%

[ { "event_id": "20260818-000000-512890-midday-up-017pct-1158", "title": "512890 午盘涨 0.17%，报 1.158 元，半日成交额 4.01 亿元", "event_time_utc": null, "event_time_quality": "day_only", "published_at_utc": "2026-08-18T03:31:34Z", "event_type": "fund_flow", "asset_keys": ["DIVIDEND"], "direction_score": 0.08, "confidence": 0.98, "horizon": "intraday", "raw_facts": { "instrument": "SSE.512890", "fund_name": "华泰柏瑞中证红利低波动 ETF", "trade_date_local": "2026-08-18", "midday_price_cny": 1.158, "midday_change_pct": 0.17, "half_day_turnover_cny": 401000000, "flow_definition": "二级市场成交额，不等同于基金份额净申赎、交易资金流或融资净买入" }, "transmission_chain": [ "512890 午间收盘报 1.158 元、涨跌幅 0.17% → 红利低波 ETF 自身给出轻微偏正的盘中价格信号", "半日成交额 4.01 亿元 → 可描述二级市场交易活跃度，不能据此判断申赎方向", "对 DIVIDEND 资产形成轻微偏正的日内信号，下午交易与收盘数据仍可能改变全天表现" ], "invalidation_conditions": [ "新浪财经或后续行情数据修订午盘价格、涨跌幅或半日成交额", "午盘数据被确认对应其他交易品种或其他交易日期", "将二级市场成交额解释为基金份额净申赎或交易资金净流入" ], "source_urls": [ "http://finance.sina.com.cn/money/fund/aiassistant/etfwp/2026-08-18/doc-inintatv7410520.shtml" ], "source_tier": "Tier B" } ]