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<li class="toctree-l1 current"><a class="current reference internal" href="#">第0章 与定价相关的系统全局设置</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#my-reference-label1">0.1 定价参数</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#id3">0.2 交易日历</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#my-reference-label2">0.2 公共定价字段</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#id5">0.4 定价结果及希腊值</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#id6">0.5 自定义观察日的设置</a></li>
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<li class="toctree-l1"><a class="reference internal" href="european.html">第1章 欧式期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="american.html">第2章 美式期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="asian.html">第3章 亚式期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="binary.html">第4章 二元期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="barrier.html">第5章 障碍期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="snowball.html">第6章 雪球期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="phoenix.html">第7章 凤凰期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="airbag.html">第8章 气囊结构</a></li>
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<li class="toctree-l1"><a class="reference internal" href="shuangsha.html">第9章 双鲨期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="rangeaccrual.html">第10章 区间累积期权</a></li>
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<li class="toctree-l1"><a class="reference internal" href="greeks.html">附录1:希腊值</a></li>
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<li class="toctree-l1"><a class="reference internal" href="model.html">附录2:期权定价方法概述</a></li>
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<section id="id1">
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<h1>第0章 与定价相关的系统全局设置<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h1>
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<p>关于系统期权定价模型方法,请参考 <a class="reference internal" href="model.html#my-reference-labelmodel"><span class="std std-ref">附录2:期权定价方法概述</span></a>,后续各章节也有所介绍。</p>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>期权定价公式中的定价参数T(年化),对应到我们的定价系统中是 <strong>TTM(Days)</strong> 和 <strong>年交易天数</strong> 的比值; 其中 <strong>TTM(Days)</strong> 在系统定价页面中默认值为交易日至到期日的之间的交易日天数(包含期初和期末),受 <strong>年交易天数和交易日历</strong> 设置的影响 ,因此在定价之前需先对定价参数进行设置(包括但不限于交易日历和年交易天数)</p>
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</div>
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<section id="my-reference-label1">
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<span id="id2"></span><h2>0.1 定价参数<a class="headerlink" href="#my-reference-label1" title="Permalink to this headline"></a></h2>
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<p><strong>设置路径:系统管理->系统参数->定价参数</strong></p>
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<p>可自行设置系统当前无风险利率(定价时也可自行修改)、二元期权计算方法(Anlytical/Replication)、年交易天数合计、美式香草期权定价模型(BAW/二叉树)</p>
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<img alt="_images/系统参数.png" class="align-center" src="_images/系统参数.png" />
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<div class="line-block">
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<div class="line"><br /></div>
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</div>
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<style> .red {color:red; font-weight:bold; font-size:16px} </style><p><span class="red">当年交易天数合计为Act365时,TTM为交易日至到期日的之间的所有天数(包括期初和期末,不受交易日历设置影响),当年交易天数合计为Bus244或其它时,TTM为交易日至到期日的之间的年交易天数(包括起初和期末,受交易日历影响)。</span></p>
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<p><span class="red">本定价手册的定价案例均默认年交易天数选为Bus244</span></p>
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</section>
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<section id="id3">
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<h2>0.2 交易日历<a class="headerlink" href="#id3" title="Permalink to this headline"></a></h2>
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<p><strong>设置路径:数据管理->交易日历</strong></p>
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<ul class="simple">
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<li><p>点击 <strong>新增</strong> ,进行日历添加</p></li>
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</ul>
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<img alt="_images/新增页面.png" class="align-center" src="_images/新增页面.png" />
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<div class="line-block">
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<div class="line"><br /></div>
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</div>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>新增日历中 <strong>名称</strong> 和 <strong>年份</strong> 需要自行填写, <strong>只有当日历名称设为 *chn* 时,日历才会在定价中生效, 新增年份不能填日历中已有的年份</strong> ,例如新增年份为2022,则需要先将原2022日历删除。</p>
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</div>
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<ul class="simple">
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<li><p>点击 <strong>详情</strong> ,对已有日历进行 <strong>查看、修改或删除</strong>。</p></li>
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</ul>
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<img alt="_images/现存交易日历的修改或删除.png" class="align-center" src="_images/现存交易日历的修改或删除.png" />
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<div class="line-block">
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<div class="line"><br /></div>
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</div>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p><strong>假日设置方法:</strong> 单击即可设置假日、标记为绿色,双击则可设置权重、标记为黄色。</p>
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</div>
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<a class="reference internal image-reference" href="_images/2021日历.png"><img alt="_images/2021日历.png" class="align-left" src="_images/2021日历.png" style="width: 650px;" /></a>
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<style> .red {color:red; font-weight:bold; font-size:16px} </style><p><span class="red">2021年的日历设置详情如上,本定价手册的定价案例中,期权存续时间将设在2021年。</span></p>
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<p><span class="red">交易日历的设置不仅会影响TTM的生成(年交易天数为Act365时日历设置不影响TTM的生成),还影响观察日的生成。</span></p>
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</section>
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<section id="my-reference-label2">
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<span id="id4"></span><h2>0.2 公共定价字段<a class="headerlink" href="#my-reference-label2" title="Permalink to this headline"></a></h2>
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<p><strong>系统定价路径:报价管理->期权定价->新增单腿</strong></p>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>“权利金”和“保底收益”字段填写时均有数值(¥)和百分比(%)两种形式,“保底收益”字段填写形式会自动和“权利金”保持一致。</p>
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</div>
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<table class="docutils align-default">
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<col style="width: 90%" />
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<thead>
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<tr class="row-odd"><th class="head"><p>公共定价字段</p></th>
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<th class="head"><p>说明</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>权利金</p></td>
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<td><p>非填写项,权利金(¥)=期初标的价格*权利金(%)=期权净现值/有效成交数量</p></td>
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</tr>
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<tr class="row-odd"><td><p>参与率</p></td>
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<td><p>参与率默认100%,可自行修改填写,影响有效名义本金、有效成交数量、保底收益的计算,</p></td>
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</tr>
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<tr class="row-even"><td><p>保底收益</p></td>
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<td><p>保底收益(¥)=期初标的价格*保底收益(%)*参与率,表示单位数量标的的保底收益额,默认为0</p></td>
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</tr>
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<tr class="row-odd"><td><p>保底收益总额</p></td>
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<td><p>保底收益总额=保底收益(¥)*有效成交数量</p></td>
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</tr>
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<tr class="row-even"><td><p>有效成交数量</p></td>
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<td><p>有效成交数量= 有效名义本金/标的价格</p></td>
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</tr>
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<tr class="row-odd"><td><p>有效名义本金</p></td>
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<td><p>有效名义本金=名义本金*参与率*年化系数</p></td>
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</tr>
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<tr class="row-even"><td><p>成交金额</p></td>
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<td><p>成交金额=【权利金(¥)+保底收益(¥)】*有效成交数量</p></td>
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</tr>
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<tr class="row-odd"><td><p>收益结算</p></td>
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<td><p>默认是收盘价,也可根据实际需要选择“结算价”或“参考价”</p></td>
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</tr>
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<tr class="row-even"><td><p>目标波动率</p></td>
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<td><p>不影响初始定价,用于平滑持仓波动率,如目标10%,开仓时是15%,平滑天数5天,用5天时间从15%平滑到10%</p></td>
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</tr>
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<tr class="row-odd"><td><p>平滑过渡天数</p></td>
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<td><p>不影响初始定价,从成交波动率平滑到目标波动率的天数</p></td>
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</tr>
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<tr class="row-even"><td><p>是否年化</p></td>
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<td><p>是/否</p></td>
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</tr>
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<tr class="row-odd"><td><p>年化系数</p></td>
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<td><p>自然日天数/年总天数</p></td>
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</tr>
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<tr class="row-even"><td><p>预付金模板</p></td>
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<td><p>系统默认</p></td>
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</tr>
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<tr class="row-odd"><td><p>定价模型</p></td>
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<td><p>凤凰期权和雪球期权默认积分法,其它期权默认解析解,其中美式香草在“系统管理”->“系统参数”->“定价参数”页面可切换成“二叉树”</p></td>
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</tr>
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</tbody>
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</table>
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<div class="admonition warning">
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<p class="admonition-title">Warning</p>
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<p><strong>当“是否年化”字段选“否”时,“年化系数”默认值为1,不是0,</strong> 此时“有效成交数量”默认等于“成交数量”,“有效名义本金”默认等于“名义本金”(参与率默认为100%时)。</p>
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</div>
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</section>
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<section id="id5">
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<h2>0.4 定价结果及希腊值<a class="headerlink" href="#id5" title="Permalink to this headline"></a></h2>
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<table class="docutils align-default">
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<colgroup>
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<col style="width: 21%" />
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<col style="width: 79%" />
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</colgroup>
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<thead>
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<tr class="row-odd"><th class="head"><p>指标</p></th>
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<th class="head"><p>说明</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>PV</p></td>
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<td><p>期权的净现值(组合单价*有效成交数量)</p></td>
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</tr>
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<tr class="row-odd"><td><p>Delta</p></td>
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<td><p><strong>每报价单位Delta*手数</strong></p></td>
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</tr>
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<tr class="row-even"><td><p>Gamma</p></td>
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<td><p><strong>每报价单位Gamma*手数</strong></p></td>
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</tr>
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<tr class="row-odd"><td><p>Vega</p></td>
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<td><p>每报价单位Vega*交易份额</p></td>
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</tr>
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<tr class="row-even"><td><p>Theta</p></td>
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<td><p>每报价单位Theta*交易份额</p></td>
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</tr>
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<tr class="row-odd"><td><p>Rho</p></td>
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<td><p>每报价单位Rho*交易份额*100</p></td>
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</tr>
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</tbody>
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</table>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>有关系统中希腊值的说明,详情请参考 <a class="reference internal" href="greeks.html#my-reference-label3"><span class="std std-ref">附录1:希腊值</span></a></p>
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</div>
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</section>
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<section id="id6">
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<h2>0.5 自定义观察日的设置<a class="headerlink" href="#id6" title="Permalink to this headline"></a></h2>
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<style> .red {color:red; font-weight:bold; font-size:16px} </style><p><span class="red">观察日的生成受交易日历设置影响</span></p>
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<a class="reference internal image-reference" href="_images/观察日设置.png"><img alt="_images/观察日设置.png" class="align-center" src="_images/观察日设置.png" style="width: 500px;" /></a>
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<div class="line-block">
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<div class="line"><br /></div>
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</div>
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<table class="docutils align-default">
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<colgroup>
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<col style="width: 10%" />
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<col style="width: 90%" />
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</colgroup>
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<thead>
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<tr class="row-odd"><th class="head"><p>字段</p></th>
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<th class="head"><p>说明</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>观察日间隔</p></td>
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<td><p>选择单位“天/周/月/年”并填写数值</p></td>
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</tr>
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<tr class="row-odd"><td><p>首日观察</p></td>
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<td><p>可勾选</p></td>
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</tr>
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<tr class="row-even"><td><p>票息支付日间隔</p></td>
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<td><p>可以不填,默认与敲出观察日相同(T+0),也可以设置为敲出观察日不同的日期,如T+1支付票息,表示在敲出观察日后一天支付票息</p></td>
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</tr>
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<tr class="row-odd"><td><p>节假日调整</p></td>
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<td><p>向后调整到下一个交易日</p></td>
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</tr>
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<tr class="row-even"><td><p></p></td>
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<td><p>向前调整到上一个交易日</p></td>
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</tr>
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<tr class="row-odd"><td><p></p></td>
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<td><p>不调整:若观察日为节假日,不进行调整,在当日观察标的资产价格</p></td>
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</tr>
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<tr class="row-even"><td><p>对齐规则</p></td>
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<td><p>向到期日对齐:若到期日为2022年7月25号,每月观察,则之前的观察日以25号为基础往前推</p></td>
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</tr>
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<tr class="row-odd"><td><p></p></td>
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<td><p>向开始日对齐:若初始日为2021年8月10号,每月观察,则之后的观察日以10号为基础往后推,同时,最后的一个的敲出观察日要和到期日统一,否则无法计算。</p></td>
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</tr>
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<tr class="row-even"><td><p>生成观察日</p></td>
|
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<td><p>根据已经设置的规则,生成一系列的观察日期</p></td>
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</tr>
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<tr class="row-odd"><td><p>编辑观察日</p></td>
|
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<td><p>可以通过手动修改观察日,来达到期初一段时间内不观察的设置,如期初3个月内不观察</p></td>
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</tr>
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<tr class="row-even"><td><p>备注</p></td>
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<td></td>
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</tr>
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</tbody>
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</table>
|
|
<div class="admonition note">
|
|
<p class="admonition-title">Note</p>
|
|
<ol class="arabic simple">
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|
<li><p>未设置观察日的障碍、双鲨等,默认为每个交易日都是观察日</p></li>
|
|
<li><p>雪球凤凰的敲入观察日,不设置则默认为每个交易日</p></li>
|
|
<li><p>备注信息用于观察日规律的描述,会在交易报送等其他相关页面需要展示观察日列表时展示。</p></li>
|
|
</ol>
|
|
<p>展示逻辑为:</p>
|
|
<p>未设置观察日列表->每日观察</p>
|
|
<p>已设置观察日列表;未设置备注->展示观察日列表</p>
|
|
<p>已设置观察日列表;已设置备注->展示备注内容</p>
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