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    <title>鸡背蛋交易 - 期权</title>
    <link>https://trade.jibeidan.top/forum.php?mod=forumdisplay&amp;fid=34</link>
    <description>Latest 20 threads of 期权</description>
    <copyright>Copyright(C) 鸡背蛋交易</copyright>
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    <lastBuildDate>Wed, 11 Nov 2026 11:42:26 +0000</lastBuildDate>
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      <title>鸡背蛋交易</title>
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      <title>期权买方的最大敌人是时间（Theta 通俗版）</title>
      <link>https://trade.jibeidan.top/forum.php?mod=viewthread&amp;tid=12</link>
      <description><![CDATA[期权有到期日，时间一天天流逝，哪怕标的价不动，期权也会\&quot;缩水\&quot;——这叫时间价值衰减（Theta）。


买方赚的是方向+波动，但天天在和时间赛跑。


新手先搞懂再上手。]]></description>
      <category>期权</category>
      <author>鸡背蛋</author>
      <pubDate>Fri, 07 Aug 2026 07:40:56 +0000</pubDate>
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