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@@ -79,7 +79,10 @@
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<li class="toctree-l4"><a class="reference internal" href="install.html#osx-virtualenv-matplotlib">OSX + virtualenv + matplotlib</a></li>
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</ul>
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</li>
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<li class="toctree-l3"><a class="reference internal" href="install.html#windows">Windows</a></li>
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<li class="toctree-l3"><a class="reference internal" href="install.html#windows">Windows</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="install.html#troubleshooting-visual-c-compiler-install">Troubleshooting Visual C++ Compiler Install</a></li>
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</ul>
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</li>
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<li class="toctree-l3"><a class="reference internal" href="install.html#amazon-linux-ami">Amazon Linux AMI</a></li>
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<li class="toctree-l3"><a class="reference internal" href="install.html#troubleshooting-pip-install">Troubleshooting <code class="docutils literal"><span class="pre">pip</span></code> Install</a></li>
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</ul>
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@@ -545,6 +548,9 @@ information about the state of your algorithm. The column
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and allows us to plot the price of bitcoin. For example, we could easily
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examine now how our portfolio value changed over time compared to the
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bitcoin price.</p>
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<div class="highlight-python"><div class="highlight"><pre><span class="o">%</span><span class="n">load_ext</span> <span class="n">catalyst</span>
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</pre></div>
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</div>
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<div class="highlight-python"><div class="highlight"><pre><span class="o">%</span><span class="n">pylab</span> <span class="n">inline</span>
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<span class="n">figsize</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="mi">12</span><span class="p">)</span>
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<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
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@@ -589,7 +595,8 @@ data for you. The first argument is the number of bars you want to
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collect, the second argument is the unit (either <code class="docutils literal"><span class="pre">'1d'</span></code> for <code class="docutils literal"><span class="pre">'1m'</span></code>
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but note that you need to have minute-level data for using <code class="docutils literal"><span class="pre">1m</span></code>). This is
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a function we use in the <code class="docutils literal"><span class="pre">handle_data()</span></code> section:</p>
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<div class="highlight-python"><div class="highlight"><pre><span class="o">%%</span><span class="n">catalyst</span> <span class="o">--</span><span class="n">start</span> <span class="mi">2016</span><span class="o">-</span><span class="mi">1</span><span class="o">-</span><span class="mi">1</span> <span class="o">--</span><span class="n">end</span> <span class="mi">2017</span><span class="o">-</span><span class="mi">9</span><span class="o">-</span><span class="mi">30</span> <span class="o">-</span><span class="n">x</span> <span class="n">bitfinex</span> <span class="o">-</span><span class="n">o</span> <span class="n">dma</span><span class="o">.</span><span class="n">pickle</span>
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<div class="highlight-python"><div class="highlight"><pre><span class="o">%%</span><span class="n">catalyst</span> <span class="o">--</span><span class="n">start</span> <span class="mi">2016</span><span class="o">-</span><span class="mi">4</span><span class="o">-</span><span class="mi">1</span> <span class="o">--</span><span class="n">end</span> <span class="mi">2017</span><span class="o">-</span><span class="mi">9</span><span class="o">-</span><span class="mi">30</span> <span class="o">-</span><span class="n">x</span> <span class="n">bitfinex</span>
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<span class="kn">from</span> <span class="nn">catalyst.api</span> <span class="kn">import</span> <span class="n">order</span><span class="p">,</span> <span class="n">record</span><span class="p">,</span> <span class="n">symbol</span><span class="p">,</span> <span class="n">order_target</span>
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<span class="k">def</span> <span class="nf">initialize</span><span class="p">(</span><span class="n">context</span><span class="p">):</span>
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@@ -597,16 +604,16 @@ a function we use in the <code class="docutils literal"><span class="pre">handle
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<span class="n">context</span><span class="o">.</span><span class="n">asset</span> <span class="o">=</span> <span class="n">symbol</span><span class="p">(</span><span class="s">'btc_usd'</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">handle_data</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
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<span class="c"># Skip first 300 days to get full windows</span>
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<span class="c"># Skip first 150 days to get full windows</span>
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<span class="n">context</span><span class="o">.</span><span class="n">i</span> <span class="o">+=</span> <span class="mi">1</span>
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<span class="k">if</span> <span class="n">context</span><span class="o">.</span><span class="n">i</span> <span class="o"><</span> <span class="mi">300</span><span class="p">:</span>
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<span class="k">if</span> <span class="n">context</span><span class="o">.</span><span class="n">i</span> <span class="o"><</span> <span class="mi">150</span><span class="p">:</span>
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<span class="k">return</span>
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<span class="c"># Compute averages</span>
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<span class="c"># data.history() has to be called with the same params</span>
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<span class="c"># from above and returns a pandas dataframe.</span>
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<span class="n">short_mavg</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">history</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">asset</span><span class="p">,</span> <span class="s">'price'</span><span class="p">,</span> <span class="n">bar_count</span><span class="o">=</span><span class="mi">100</span><span class="p">,</span> <span class="n">frequency</span><span class="o">=</span><span class="s">"1d"</span><span class="p">)</span><span class="o">.</span><span class="n">mean</span><span class="p">()</span>
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<span class="n">long_mavg</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">history</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">asset</span><span class="p">,</span> <span class="s">'price'</span><span class="p">,</span> <span class="n">bar_count</span><span class="o">=</span><span class="mi">300</span><span class="p">,</span> <span class="n">frequency</span><span class="o">=</span><span class="s">"1d"</span><span class="p">)</span><span class="o">.</span><span class="n">mean</span><span class="p">()</span>
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<span class="n">short_mavg</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">history</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">asset</span><span class="p">,</span> <span class="s">'price'</span><span class="p">,</span> <span class="n">bar_count</span><span class="o">=</span><span class="mi">50</span><span class="p">,</span> <span class="n">frequency</span><span class="o">=</span><span class="s">"1d"</span><span class="p">)</span><span class="o">.</span><span class="n">mean</span><span class="p">()</span>
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<span class="n">long_mavg</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">history</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">asset</span><span class="p">,</span> <span class="s">'price'</span><span class="p">,</span> <span class="n">bar_count</span><span class="o">=</span><span class="mi">150</span><span class="p">,</span> <span class="n">frequency</span><span class="o">=</span><span class="s">"1d"</span><span class="p">)</span><span class="o">.</span><span class="n">mean</span><span class="p">()</span>
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<span class="c"># Trading logic</span>
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<span class="k">if</span> <span class="n">short_mavg</span> <span class="o">></span> <span class="n">long_mavg</span><span class="p">:</span>
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@@ -623,7 +630,7 @@ a function we use in the <code class="docutils literal"><span class="pre">handle
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<span class="k">def</span> <span class="nf">analyze</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">perf</span><span class="p">):</span>
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<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
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<span class="n">fig</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">figure</span><span class="p">()</span>
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<span class="n">fig</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">figure</span><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span><span class="mi">12</span><span class="p">))</span>
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<span class="n">ax1</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_subplot</span><span class="p">(</span><span class="mi">211</span><span class="p">)</span>
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<span class="n">perf</span><span class="o">.</span><span class="n">portfolio_value</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">ax</span><span class="o">=</span><span class="n">ax1</span><span class="p">)</span>
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<span class="n">ax1</span><span class="o">.</span><span class="n">set_ylabel</span><span class="p">(</span><span class="s">'portfolio value in $'</span><span class="p">)</span>
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