恒生科技ETF 11:00窗口：南向净卖出13.15亿元，恒指季检待发布 (2026)

[
  {
    "event_id": "eastmoney-hk-20260821-southbound-intraday-netsell-1315",
    "title": "南向资金盘中净卖出13.15亿元",
    "event_time_utc": null,
    "event_time_quality": "day_only",
    "published_at_utc": "2026-08-21T03:09:30Z",
    "event_type": "capital_flow",
    "asset_keys": ["HSTECH"],
    "direction_score": {"HSTECH": -1},
    "confidence": 78,
    "horizon": "intraday",
    "raw_facts": {
      "asset": "SSE.513130 恒生科技ETF",
      "observation_window_local": "2026-08-21 10:00—11:00 Asia/Shanghai",
      "source_page": "东方财富沪深港通总览页",
      "source_data_date": "2026-08-21",
      "source_displayed_dates": "2026-08-21、2026-08-20",
      "southbound_net_buy": "-13.15亿元人民币",
      "hk_connect_sh_net_buy": "-14.93亿元人民币",
      "hk_connect_sz_net_buy": "1.78亿元人民币",
      "southbound_buy_amount": "219.72亿元人民币",
      "southbound_sell_amount": "232.87亿元人民币",
      "source_arithmetic": "219.72亿元人民币 - 232.87亿元人民币 = -13.15亿元人民币",
      "prior_day_historical_value": "2026-08-20南向历史表净买额-51.11亿港元；该表为港元口径，与本日概览的人民币口径不同，不作数值比较",
      "official_daily_data_status": "本窗口未取得港交所官方2026-08-21南向日度净流入或持股额字段，当前数值为东方财富页面盘中滚动口径",
      "source_observation_time": "2026-08-21 11:09:30 Asia/Shanghai；页面未披露独立发布时间"
    },
    "transmission_chain": "南向资金盘中成交净卖出13.15亿元人民币→对恒生科技权重股的边际流动性支持转弱→SSE.513130对应HSTECH的资金面外部变量暂偏负，但该值仍是盘中滚动值。",
    "invalidation_conditions": "港交所官方日度值或可核验替代来源补发、修正2026-08-21南向净流向，尤其由净卖出改为净买入或明显收窄时，本事件由更新事件替代。",
    "source_urls": [
      "https://data.eastmoney.com/hsgt/index.html",
      "https://data.eastmoney.com/hsgt/hsgtV2.html",
      "https://www.hkex.com.hk/mutual-market/stock-connect/statistics/historical-daily?sc_lang=zh-HK"
    ],
    "source_tier": "B"
  },
  {
    "event_id": "hkex-hk-20260821-core-buyback-status-1100",
    "title": "五家核心权重股10:00—11:00未见回购新增",
    "event_time_utc": null,
    "event_time_quality": "day_only",
    "published_at_utc": "2026-08-21T03:09:30Z",
    "event_type": "buyback",
    "asset_keys": ["HSTECH"],
    "direction_score": {"HSTECH": 0},
    "confidence": 86,
    "horizon": "intraday",
    "raw_facts": {
      "asset": "SSE.513130 恒生科技ETF",
      "observation_window_local": "2026-08-21 10:00—11:00 Asia/Shanghai",
      "source": "香港交易所披露易 Listed Company Information Title Search",
      "title_search_total_records": "65条",
      "visible_release_time_range": "2026-08-21 06:02—10:58 Asia/Shanghai",
      "core_company_codes_checked": {
        "腾讯控股": "00700",
        "阿里巴巴-W": "09988",
        "美团-W": "03690",
        "小米集团-W": "01810",
        "京东集团-SW": "09618"
      },
      "core_buyback_title_matches": "0条",
      "window_status": "已返回的全部65条标题中，10:00—11:00范围未见上述五家公司新增回购或购回股份标题",
      "data_quality": "标题检索页本次返回全部65条记录，未见未加载分页提示；该结果是标题检索状态，不等同于公司未来不会补发公告",
      "source_observation_time": "2026-08-21 11:09:30 Asia/Shanghai；页面未披露独立发布时间"
    },
    "transmission_chain": "10:00—11:00港交所已返回标题中未见五家核心权重股新增回购→回购注销导致流通股收缩这一变量在已观察范围内未增加→HSTECH回购路由维持中性。",
    "invalidation_conditions": "港交所标题检索补录、公司公告或港交所更正显示2026-08-21 10:00—11:00内存在上述五家公司回购或购回股份公告时，本状态事件由对应公告事件替代。",
    "source_urls": [
      "https://www1.hkexnews.hk/search/titlesearch.xhtml?lang=EN&market=SEHK&category=0&from=20260821&to=20260821"
    ],
    "source_tier": "A"
  },
  {
    "event_id": "hsi-hk-20260821-quarterly-review-status-1100",
    "title": "恒指季度检讨结果11:00前未在官网列出",
    "event_time_utc": null,
    "event_time_quality": "day_only",
    "published_at_utc": "2026-08-21T03:09:30Z",
    "event_type": "index_rebalance",
    "asset_keys": ["HSTECH"],
    "direction_score": {"HSTECH": 0},
    "confidence": 93,
    "horizon": "days",
    "raw_facts": {
      "asset": "SSE.513130 恒生科技ETF",
      "observation_window_local": "2026-08-21 10:00—11:00 Asia/Shanghai",
      "source": "恒生指数公司官方媒体中心新闻稿列表",
      "scheduled_review_date": "2026-08-21",
      "official_latest_listed_release": "2026-08-10 恒生指数公司就恒生科技指数编算方法修订方案征询市场意见",
      "latest_listed_index_review_result": "2026-05-22 恒生指数公司宣布指数检讨结果",
      "current_review_result_status": "截至2026-08-21 11:09，官方新闻稿列表未列出2026-08-21第二季度恒生指数系列检讨结果",
      "component_or_weight_change": "原文未披露",
      "source_observation_time": "2026-08-21 11:09:30 Asia/Shanghai；页面未披露独立发布时间"
    },
    "transmission_chain": "恒生指数公司定于2026-08-21公布季度检讨结果→结果可能改变相关指数成分、流通系数或权重→HSTECH及SSE.513130的成分与复制变量在结果发布前暂未获得新数值。",
    "invalidation_conditions": "恒生指数公司发布2026年第二季度检讨结果并披露成分、流通系数或权重变动时，本状态事件由正式检讨结果事件替代。",
    "source_urls": [
      "https://www.hsi.com.hk/chi/newsroom/press-releases",
      "https://www.hsi.com.hk/chi/"
    ],
    "source_tier": "A"
  }
]
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