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    <loc>https://negotiuminfinitum.com/articles/knowledge-etf-premium-discount</loc>
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        <news:name>財經無界</news:name>
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      <news:publication_date>2026-09-14T00:00:00.000Z</news:publication_date>
      <news:title>ETF 的兩個價格：折溢價、套利機制，以及它失靈的那些時候</news:title>
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