恒生科技ETF 11:00窗口：南向净买入收窄至1.56亿元 (2026)

[
  {
    "event_id": "eastmoney-hk-20260820-southbound-net-buy-156",
    "title": "南向盘中净买入收窄至1.56亿元",
    "event_time_utc": null,
    "event_time_quality": "day_only",
    "published_at_utc": "2026-08-20T03:07:38Z",
    "event_type": "capital_flow",
    "asset_keys": ["HSTECH"],
    "direction_score": {"HSTECH": 0},
    "confidence": 78,
    "horizon": "intraday",
    "raw_facts": {
      "asset": "SSE.513130 恒生科技ETF",
      "observation_window_local": "2026-08-20 10:00—11:00 Asia/Shanghai",
      "data_date": "2026-08-20",
      "page_status": "交易中",
      "metric": "南向资金成交净买额",
      "current_southbound_net_buy": "1.56亿元人民币",
      "current_buy_amount": "266.84亿元人民币",
      "current_sell_amount": "265.28亿元人民币",
      "shanghai_hk_connect_net_buy": "-9.77亿元人民币",
      "shenzhen_hk_connect_net_buy": "11.33亿元人民币",
      "previous_window_net_buy": "4.22亿元人民币",
      "change_from_previous_window": "减少2.66亿元人民币",
      "source_unit_note": "页面说明资金数据默认为人民币单位",
      "source_update_time": "页面未提供精确更新时间",
      "source_date_labels": "总览页显示2026-08-20，南向明细页显示2026-08-19",
      "data_quality": "东方财富盘中滚动成交净买额，待港交所官方日度字段核对",
      "supersedes_event_id": "eastmoney-hk-20260820-southbound-net-buy-422"
    },
    "transmission_chain": "南向成交净买额由上一窗口4.22亿元人民币降至当前盘中滚动值1.56亿元人民币，沪市净卖出与深市净买入相抵→南向边际资金支持收窄且分项方向分化→SSE.513130对应HSTECH的盘中资金流变量暂未形成明确单向支持。",
    "invalidation_conditions": "港交所官方日度数据或后续可核验页面显示本窗口最终南向净流向并非1.56亿元人民币，或后续修正改变当前盘中滚动值。",
    "source_urls": [
      "https://data.eastmoney.com/hsgt/hsgtV2.html",
      "https://data.eastmoney.com/hsgtV2/hsgtDetail/scgkDetail_nx.html"
    ],
    "source_tier": "B"
  },
  {
    "event_id": "hkex-hk-20260820-core-buyback-status-1100",
    "title": "五家核心权重股窗口内未见回购新增",
    "event_time_utc": null,
    "event_time_quality": "day_only",
    "published_at_utc": "2026-08-20T03:07:38Z",
    "event_type": "buyback",
    "asset_keys": ["HSTECH"],
    "direction_score": {"HSTECH": 0},
    "confidence": 89,
    "horizon": "intraday",
    "raw_facts": {
      "asset": "SSE.513130 恒生科技ETF",
      "observation_window_local": "2026-08-20 10:00—11:00 Asia/Shanghai",
      "source": "香港交易所披露易标题检索",
      "title_search_total_records": "73条",
      "window_records_seen": "2026-08-20 10:00、10:02、10:19、10:20、10:23、10:30、10:34、10:35、10:46、10:48、10:50",
      "latest_returned_record": "2026-08-20 11:02 Asia/Shanghai，晚于本事件窗口",
      "core_company_codes_checked": {
        "腾讯": "00700",
        "阿里巴巴-W": "09988",
        "美团-W": "03690",
        "小米集团-W": "01810",
        "京东集团-SW": "09618"
      },
      "buyback_title_match_in_window": "未见上述五家公司新增回购标题",
      "status_scope": "截至11:00的标题检索状态，不覆盖窗口外公告、后续补录或未载入分页"
    },
    "transmission_chain": "已核验标题范围内没有新增回购或注销信息→权重股流通股收缩变量暂未变化→HSTECH回购路由维持中性。",
    "invalidation_conditions": "港交所后续补录或官方公告显示2026-08-20 10:00—11:00内上述五家公司实际存在回购公告，或修正后的标题记录改变当前检索状态。",
    "source_urls": [
      "https://www1.hkexnews.hk/search/titlesearch.xhtml?lang=EN&market=SEHK&category=0&from=20260820&to=20260820"
    ],
    "source_tier": "A"
  }
]
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