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	<title>Sulivan Santiago</title>
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	<description>Investimento em Ações e Opções</description>
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		<title>Sulivan Santiago</title>
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		<item>
		<title>Curso de Bolsa GRATUITO</title>
		<link>http://sulivans.wordpress.com/2010/12/04/curso-de-bolsa-gratuito/</link>
		<comments>http://sulivans.wordpress.com/2010/12/04/curso-de-bolsa-gratuito/#comments</comments>
		<pubDate>Sun, 05 Dec 2010 00:41:45 +0000</pubDate>
		<dc:creator>sulivans</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://sulivans.wordpress.com/?p=356</guid>
		<description><![CDATA[Caro Leitor, é com grande prazer que anuncio o site www.expertrader.com.br TOTALMENTE GRATUITO. Agora todos os cursos do site estão acessíveis a vocês. Não deixem de conferir!! Abraço<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=sulivans.wordpress.com&amp;blog=6449921&amp;post=356&amp;subd=sulivans&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Caro Leitor,</p>
<p>é com grande prazer que anuncio o site www.expertrader.com.br TOTALMENTE GRATUITO. Agora todos os cursos do site estão acessíveis a vocês. Não deixem de conferir!!</p>
<p>Abraço</p>
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		<title>Calculando a Volatilidade Histórica</title>
		<link>http://sulivans.wordpress.com/2010/03/08/calculando-a-volatilidade-historica/</link>
		<comments>http://sulivans.wordpress.com/2010/03/08/calculando-a-volatilidade-historica/#comments</comments>
		<pubDate>Mon, 08 Mar 2010 23:46:51 +0000</pubDate>
		<dc:creator>sulivans</dc:creator>
				<category><![CDATA[Artigos]]></category>
		<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Opções]]></category>
		<category><![CDATA[black & scholes]]></category>
		<category><![CDATA[opção]]></category>
		<category><![CDATA[volatilidade]]></category>

		<guid isPermaLink="false">http://sulivans.wordpress.com/?p=350</guid>
		<description><![CDATA[A volatilidade histórica mede a variação dos preços do ativo subjacente durante um determinado período passado. O período pode ser uma semana atrás, um mês atrás, um ano, enfim. A VH faz parte do passado e não necessariamente reflete os acontecimentos do futuro. Ela apenas é uma tentativa de estimar esse movimento. A VH é [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=sulivans.wordpress.com&amp;blog=6449921&amp;post=350&amp;subd=sulivans&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>A volatilidade histórica mede a variação dos preços do ativo subjacente durante um determinado período passado. O período pode ser uma semana atrás, um mês atrás, um ano, enfim. A VH faz parte do passado e não necessariamente reflete os acontecimentos do futuro. Ela apenas é uma tentativa de estimar esse movimento. A VH é utilizada como parâmetro base de entrada para o modelo Black &amp; Scholes. Para calcular a VH deve-se:</p>
<ol>
<li>Calcular ln( Pi      / Pi-1) para cada período, onde Pi é o preço de fechamento no período i e      Pi-1 é o mesmo preço de fechamento no período anterior.<br />
ln = logaritmo normal</li>
<li>Calcular o      desvio padrão dos valores calculados no item 1 para os n períodos que      antecedem ao período considerado.</li>
<li>Anualizar o      valor da volatilidade obtida no item 2. Por exemplo, se os valores do item      1 são em base diária, multiplicar o desvio padrão do item 2 pela raiz      quadrada de 252 ( onde 252=número aproximado de dias úteis em um ano).</li>
</ol>
<p>Normalmente, utiliza-se um período de 21 dias úteis (21 pregões, aproximadamente um mês), com base no retorno diário da ação, para o cálculo da VH. Abaixo temos um exemplo do cálculo da VH dos últimos 21 dias para a VALE5 feito no excel.</p>
<table border="1" cellspacing="0" cellpadding="0" width="556">
<tbody>
<tr>
<td width="64" valign="bottom"></td>
<td colspan="5" width="492" valign="bottom"><strong>VOLATILIDADE   HISTÓRICA DE 21 PERÍODOS</strong></td>
</tr>
<tr>
<td width="64" valign="bottom"></td>
<td width="112"><strong>Data</strong></td>
<td width="73"><strong>Cotação</strong></td>
<td width="67" valign="bottom"><strong>Retorno</strong></td>
<td width="120" valign="bottom"><strong>Desvio Padrão</strong></td>
<td width="120" valign="bottom"><strong>VH Anualizada</strong></td>
</tr>
<tr>
<td width="64" valign="bottom">0</td>
<td width="112" valign="bottom">13/01/2010</td>
<td width="73" valign="bottom">46,51</td>
<td width="67" valign="bottom"></td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">1</td>
<td width="112" valign="bottom">14/01/2010</td>
<td width="73" valign="bottom">46,38</td>
<td width="67" valign="bottom">-0,0028</td>
<td width="120" valign="bottom">0,0204</td>
<td width="120" valign="bottom">32,36%</td>
</tr>
<tr>
<td width="64" valign="bottom">2</td>
<td width="112" valign="bottom">15/01/2010</td>
<td width="73" valign="bottom">46,14</td>
<td width="67" valign="bottom">-0,0052</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">3</td>
<td width="112" valign="bottom">18/01/2010</td>
<td width="73" valign="bottom">46,7</td>
<td width="67" valign="bottom">0,0121</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">4</td>
<td width="112" valign="bottom">19/01/2010</td>
<td width="73" valign="bottom">47,25</td>
<td width="67" valign="bottom">0,0117</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">5</td>
<td width="112" valign="bottom">20/01/2010</td>
<td width="73" valign="bottom">46,41</td>
<td width="67" valign="bottom">-0,0179</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">6</td>
<td width="112" valign="bottom">21/01/2010</td>
<td width="73" valign="bottom">44,76</td>
<td width="67" valign="bottom">-0,0362</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">7</td>
<td width="112" valign="bottom">22/01/2010</td>
<td width="73" valign="bottom">43,75</td>
<td width="67" valign="bottom">-0,0228</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">8</td>
<td width="112" valign="bottom">26/01/2010</td>
<td width="73" valign="bottom">42,6</td>
<td width="67" valign="bottom">-0,0266</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">9</td>
<td width="112" valign="bottom">27/01/2010</td>
<td width="73" valign="bottom">41,96</td>
<td width="67" valign="bottom">-0,0151</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">10</td>
<td width="112" valign="bottom">28/01/2010</td>
<td width="73" valign="bottom">42,15</td>
<td width="67" valign="bottom">0,0045</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">11</td>
<td width="112" valign="bottom">29/01/2010</td>
<td width="73" valign="bottom">42,14</td>
<td width="67" valign="bottom">-0,0002</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">12</td>
<td width="112" valign="bottom">01/02/2010</td>
<td width="73" valign="bottom">43,6</td>
<td width="67" valign="bottom">0,0341</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">13</td>
<td width="112" valign="bottom">02/02/2010</td>
<td width="73" valign="bottom">43,66</td>
<td width="67" valign="bottom">0,0014</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">14</td>
<td width="112" valign="bottom">03/02/2010</td>
<td width="73" valign="bottom">43,52</td>
<td width="67" valign="bottom">-0,0032</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">15</td>
<td width="112" valign="bottom">04/02/2010</td>
<td width="73" valign="bottom">41,25</td>
<td width="67" valign="bottom">-0,0536</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">16</td>
<td width="112" valign="bottom">05/02/2010</td>
<td width="73" valign="bottom">40,8</td>
<td width="67" valign="bottom">-0,0110</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">17</td>
<td width="112" valign="bottom">08/02/2010</td>
<td width="73" valign="bottom">41,25</td>
<td width="67" valign="bottom">0,0110</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">18</td>
<td width="112" valign="bottom">09/02/2010</td>
<td width="73" valign="bottom">42,23</td>
<td width="67" valign="bottom">0,0235</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">19</td>
<td width="112" valign="bottom">10/02/2010</td>
<td width="73" valign="bottom">42,2</td>
<td width="67" valign="bottom">-0,0007</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">20</td>
<td width="112" valign="bottom">11/02/2010</td>
<td width="73" valign="bottom">43</td>
<td width="67" valign="bottom">0,0188</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
<tr>
<td width="64" valign="bottom">21</td>
<td width="112" valign="bottom">12/02/2010</td>
<td width="73" valign="bottom">42,74</td>
<td width="67" valign="bottom">-0,0061</td>
<td width="120" valign="bottom"></td>
<td width="120" valign="bottom"></td>
</tr>
</tbody>
</table>
<p style="text-align:center;"><a href="http://www.expertrader.com.br" target="_blank"><strong>www.expertrader.com.br</strong></a></p>
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		<title>Aprenda a Investir na Bolsa de Valores &#8211; Cursos Ilimitados</title>
		<link>http://sulivans.wordpress.com/2010/02/05/aprenda-a-investir-na-bolsa-de-valores-cursos-ilimitados/</link>
		<comments>http://sulivans.wordpress.com/2010/02/05/aprenda-a-investir-na-bolsa-de-valores-cursos-ilimitados/#comments</comments>
		<pubDate>Fri, 05 Feb 2010 20:21:29 +0000</pubDate>
		<dc:creator>sulivans</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[ação]]></category>
		<category><![CDATA[ações]]></category>
		<category><![CDATA[compra]]></category>
		<category><![CDATA[curso]]></category>
		<category><![CDATA[curso online]]></category>
		<category><![CDATA[cuso bolsa]]></category>
		<category><![CDATA[Demonstração Financeira]]></category>
		<category><![CDATA[dinheiro]]></category>
		<category><![CDATA[investidor]]></category>
		<category><![CDATA[investimento]]></category>
		<category><![CDATA[opção]]></category>
		<category><![CDATA[Opções]]></category>

		<guid isPermaLink="false">http://sulivans.wordpress.com/?p=339</guid>
		<description><![CDATA[A ExperTrader é uma empresa de cursos online de investimento.  Se você deseja aprender sobre o mercado de ações e como ganhar dinheiro, este é o lugar.  A empresa possui uma maneira diferente de cursos. Ao invés de pagar por um curso, você paga uma assinatura e possui acesso a todos os cursos online disponível [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=sulivans.wordpress.com&amp;blog=6449921&amp;post=339&amp;subd=sulivans&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>A ExperTrader é uma empresa de cursos online de investimento.  Se você deseja aprender sobre o mercado de ações e como ganhar dinheiro, este é o lugar.  A empresa possui uma maneira diferente de cursos. Ao invés de pagar por um curso, você paga uma assinatura e possui acesso a <strong>todos </strong>os cursos online disponível pelo período que você tiver assinado.  São três planos de associação:</p>
<p><a href="http://www.expertrader.com.br/"><img class="alignnone" style="border:0 none;" title="ExperTrader" src="http://www.expertrader.com.br/images/stories/planoexp.jpg" alt="" width="329" height="263" /></a></p>
<p><img src="http://www.expertrader.com.br/images/stories/list_checkbox.png" border="0" alt="" />Acesso a todos os cursos online</p>
<p><img src="http://www.expertrader.com.br/images/stories/list_checkbox.png" border="0" alt="" />Apostilas de todos os cursos</p>
<p><img src="http://www.expertrader.com.br/images/stories/list_checkbox.png" border="0" alt="" /> Artigos, Tutoriais e muitos mais&#8230;</p>
<p>Leitores do blog terão desconto. Compre o curso de 6 meses e tenha acesso durante <strong>um ano! </strong>Após fazer a compra do plano de 6 meses, envie o código <strong>WDPSS </strong>para contato@expertrader.com.br com o comprovante de pagamento.  Atenção, o email deve ser enviado no mesmo dia da compra! Esta promoção é válida até o dia 05/04/10.</p>
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