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<title>QuantLib: ImpliedStdDevQuote Class Reference</title>
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<a class="el" href="namespace_quant_lib.html">QuantLib</a>::<a class="el" href="class_quant_lib_1_1_implied_std_dev_quote.html">ImpliedStdDevQuote</a></div>
<h1>ImpliedStdDevQuote Class Reference</h1><!-- doxytag: class="QuantLib::ImpliedStdDevQuote" --><!-- doxytag: inherits="QuantLib::Quote,QuantLib::LazyObject" --><code>#include <ql/quotes/impliedstddevquote.hpp></code>
<p>
<div class="dynheader">
Inheritance diagram for ImpliedStdDevQuote:</div>
<div class="dynsection">
<p><center><img src="class_quant_lib_1_1_implied_std_dev_quote__inherit__graph.png" border="0" usemap="#_implied_std_dev_quote__inherit__map" alt="Inheritance graph"></center>
<map name="_implied_std_dev_quote__inherit__map">
<area shape="rect" href="class_quant_lib_1_1_quote.html" title="purely virtual base class for market observables" alt="" coords="5,7,67,33"><area shape="rect" href="class_quant_lib_1_1_lazy_object.html" title="Framework for calculation on demand and result caching." alt="" coords="91,7,184,33"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="class_quant_lib_1_1_implied_std_dev_quote-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
quote for the implied standard deviation of an underlying <table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="71d4429fa5998cf03131cdfc12e7cdb7"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::ImpliedStdDevQuote" ref="71d4429fa5998cf03131cdfc12e7cdb7" args="(Option::Type optionType, const Handle< Quote > &forward, const Handle< Quote > &price, Real strike, Real guess=.15, Real accuracy=1.0e-6)" -->
</td><td class="memItemRight" valign="bottom"><b>ImpliedStdDevQuote</b> (Option::Type optionType, const <a class="el" href="class_quant_lib_1_1_handle.html">Handle</a>< <a class="el" href="class_quant_lib_1_1_quote.html">Quote</a> > &forward, const <a class="el" href="class_quant_lib_1_1_handle.html">Handle</a>< <a class="el" href="class_quant_lib_1_1_quote.html">Quote</a> > &price, <a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> strike, <a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> guess=.15, <a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> accuracy=1.0e-6)</td></tr>
<tr><td colspan="2"><div class="groupHeader">Quote interface</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b7f31cfaca49d25079e464ca462d691c"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::value" ref="b7f31cfaca49d25079e464ca462d691c" args="() const " -->
<a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_implied_std_dev_quote.html#b7f31cfaca49d25079e464ca462d691c">value</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the current value <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ac1b70a2ed67ead038c4d3f5ac4d8a81"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::isValid" ref="ac1b70a2ed67ead038c4d3f5ac4d8a81" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_implied_std_dev_quote.html#ac1b70a2ed67ead038c4d3f5ac4d8a81">isValid</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns true if the <a class="el" href="class_quant_lib_1_1_quote.html" title="purely virtual base class for market observables">Quote</a> holds a valid value <br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_implied_std_dev_quote.html#02b90bbfee3ee29627939544fb59ec93">performCalculations</a> () const </td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f2a1e58de4f267d289d1a6a8e17ed466"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::impliedStdev_" ref="f2a1e58de4f267d289d1a6a8e17ed466" args="" -->
<a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>impliedStdev_</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ecc0c3c34ac4fb81b4227a07b0e7c194"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::optionType_" ref="ecc0c3c34ac4fb81b4227a07b0e7c194" args="" -->
Option::Type </td><td class="memItemRight" valign="bottom"><b>optionType_</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f4df09cd4cbe06f6558dc5777c23e106"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::strike_" ref="f4df09cd4cbe06f6558dc5777c23e106" args="" -->
<a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>strike_</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9ee5ac7e44b518c6da03615672cb6e9b"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::accuracy_" ref="9ee5ac7e44b518c6da03615672cb6e9b" args="" -->
<a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>accuracy_</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="956859b47599b6d2380009a5d28a7b38"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::forward_" ref="956859b47599b6d2380009a5d28a7b38" args="" -->
<a class="el" href="class_quant_lib_1_1_handle.html">Handle</a>< <a class="el" href="class_quant_lib_1_1_quote.html">Quote</a> > </td><td class="memItemRight" valign="bottom"><b>forward_</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5ff5f85b607cce82a2b3b2a49a306148"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::price_" ref="5ff5f85b607cce82a2b3b2a49a306148" args="" -->
<a class="el" href="class_quant_lib_1_1_handle.html">Handle</a>< <a class="el" href="class_quant_lib_1_1_quote.html">Quote</a> > </td><td class="memItemRight" valign="bottom"><b>price_</b></td></tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="02b90bbfee3ee29627939544fb59ec93"></a><!-- doxytag: member="QuantLib::ImpliedStdDevQuote::performCalculations" ref="02b90bbfee3ee29627939544fb59ec93" args="() const " -->
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<td class="memname">void performCalculations </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [protected, virtual]</code></td>
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<p>
This method must implement any calculations which must be (re)done in order to calculate the desired results.
<p>Implements <a class="el" href="class_quant_lib_1_1_lazy_object.html#572dbe926524786c64db01e31dba7ab8">LazyObject</a>.</p>
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