8月31日13:00｜512890午盘报1.194元，半日成交5.58亿元

[ { "event_id": "20260831-1130-512890-midday-snapshot-and-trades", "title": "512890 午盘报 1.194 元，半日成交 5.58 亿元", "event_time_utc": "2026-08-31T03:30:00Z", "event_time_quality": "exact", "published_at_utc": "2026-08-31T03:31:49Z", "event_type": "fund_flow", "asset_keys": [ "DIVIDEND" ], "direction_score": 0.35, "confidence": 0.92, "horizon": "intraday", "raw_facts": { "instrument": "SSE.512890 红利低波 ETF 华泰柏瑞", "data_cutoff_cst": "2026-08-31 11:30:00", "midday_snapshot": { "price_cny": 1.194, "change_pct": 0.84, "turnover_cny": 558000000, "holdings_breadth": { "up_count": 8, "down_count": 2, "flat_count": 0 } }, "previous_trading_day_midday_comparison": { "baseline_date": "2026-08-28", "baseline_price_cny": 1.184, "baseline_change_pct": 0.08, "baseline_turnover_cny": 382000000, "price_change_cny": 0.01, "price_change_pct_from_baseline": 0.8446, "change_pct_difference_pp": 0.76, "turnover_change_cny": 176000000, "turnover_change_pct_from_baseline": 46.0733 }, "last_30_minutes_trade_detail": { "window_cst": "2026-08-31 11:00:00-11:30:00", "first_trade": { "time_cst": "11:00:06", "price_cny": 1.194 }, "last_trade": { "time_cst": "11:30:00", "price_cny": 1.194 }, "price_change_cny": 0, "volume_lots": 509583, "turnover_cny": 60810200, "intervals": [ { "window_cst": "11:00:00-11:15:00", "volume_lots": 282453, "turnover_cny": 33708600, "largest_single_trade": { "time_cst": "11:03:24", "price_cny": 1.195, "volume_lots": 72950, "turnover_cny": 8720000 } }, { "window_cst": "11:15:00-11:30:00", "volume_lots": 227130, "turnover_cny": 27101600, "largest_single_trade": { "time_cst": "11:17:52", "price_cny": 1.194, "volume_lots": 56402, "turnover_cny": 6730000 } } ] } }, "transmission_chain": [ "11:30 午盘价格为 1.194 元，较 2026 年 8 月 28 日同口径午盘高 0.010 元", "半日成交额由 3.82 亿元增至 5.58 亿元，增加 1.76 亿元", "11:00 至 11:30 的逐笔成交首笔与末笔均为 1.194 元，二级市场成交额为 60810200 元", "二级市场成交额口径为场内交易；基金申购赎回金额另按申赎数据确认" ], "invalidation_conditions": [ "新浪基金更正 2026 年 8 月 31 日午盘价格、涨跌幅、成交额或重仓股涨跌数据", "搜狐证券更正 11:00 至 11:30 任一逐笔成交记录或区间成交额口径", "交易所公布的同窗口正式成交数据与本事件的价格或成交额出现实质差异" ], "source_urls": [ "http://finance.sina.com.cn/money/fund/aiassistant/etfwp/2026-08-31/doc-iniqepev4706026.shtml", "https://finance.sina.com.cn/money/fund/original/2026-08-31/doc-iniqepet7961140.shtml", "[https://hq.[stock.sohu.com/cn/890/cn_512890-3-7.html](https://hq.stock.sohu.com/cn/890/cn_512890-3-7.html)](https://stock.sohu.com/cn/890/cn_512890-3-7.html](https://hq.stock.sohu.com/cn/890/cn_512890-3-7.html))", "[https://hq.[stock.sohu.com/cn/890/cn_512890-3-8.html](https://hq.stock.sohu.com/cn/890/cn_512890-3-8.html)](https://stock.sohu.com/cn/890/cn_512890-3-8.html](https://hq.stock.sohu.com/cn/890/cn_512890-3-8.html))", "http://finance.sina.com.cn/money/fund/aiassistant/etfwp/2026-08-28/doc-inipvvzx5679661.shtml" ], "source_tier": "Tier B" } ]