8月21日13:00｜512890午盘跌0.51%，成交额3.74亿元

[ { "event_id": "20260821-1300-512890-midday-down-051pct", "title": "512890 午盘跌 0.51%，成交额 3.74 亿元", "event_time_utc": null, "event_time_quality": "day_only", "published_at_utc": "2026-08-21T03:31:35Z", "event_type": "fund_flow", "asset_keys": ["DIVIDEND"], "direction_score": -0.18, "confidence": 0.96, "horizon": "intraday", "raw_facts": { "coverage_window_local": "2026-08-21 11:00:00+08:00—2026-08-21 13:00:00+08:00", "trade_date_local": "2026-08-21", "instrument": "SSE.512890", "fund_name": "华泰柏瑞中证红利低波动 ETF", "midday_close_definition": "截至午间收盘", "midday_price_cny": 1.177, "midday_change_pct": -0.51, "half_day_turnover_cny": 374000000, "constituent_intraday_snapshot": [ {"name": "上海银行", "change_pct": -0.71}, {"name": "南京银行", "change_pct": -1.26}, {"name": "平安银行", "change_pct": 0.09}, {"name": "成都银行", "change_pct": 0.54}, {"name": "格力电器", "change_pct": 0.0}, {"name": "江苏银行", "change_pct": -1.07}, {"name": "山东高速", "change_pct": 0.0}, {"name": "沪农商行", "change_pct": 0.34}, {"name": "陕鼓动力", "change_pct": -0.23}, {"name": "民生银行", "change_pct": 0.29} ], "source_published_time_local": "2026-08-21 11:31:35+08:00", "source": "新浪基金∞工作室（网易页面转载）" }, "transmission_chain": [ "截至午间收盘，512890 报 1.177 元、跌 0.51%，直接形成 DIVIDEND 资产的偏负日内价格信号。", "页面同时披露半日成交额 3.74 亿元；该数值代表二级市场成交活跃度，不等同于基金份额净申赎或交易资金净流入。", "页面列示的重仓股中，上海银行、南京银行和江苏银行分别跌 0.71%、1.26%和 1.07%，银行权重股的下跌与 ETF 午盘走弱方向一致；下午交易和收盘数据仍可能改变全天表现。" ], "invalidation_conditions": [ "行情发布方后续修正 2026 年 8 月 21 日午盘价格、涨跌幅、半日成交额或成分股涨跌幅。", "后续核验显示该页面对应的交易品种或交易日期有误。", "将二级市场成交额改作基金份额净申赎、交易资金净流入或融资净买入口径。" ], "source_urls": [ "[https://www.[163.com/dy/article/L4RQBRSR05568W0A.html](https://www.163.com/dy/article/L4RQBRSR05568W0A.html)](https://163.com/dy/article/L4RQBRSR05568W0A.html](https://www.163.com/dy/article/L4RQBRSR05568W0A.html))" ], "source_tier": "Tier B" } ]