anchor.diff:            #Trade.with_exclusive_scope do
               trades = Trade.
                 with_currency(:lrusd).
  -              where("created_at >= ?", DateTime.now.advance(:hours => -48)).
  +              #where("created_at >= ?", DateTime.now.advance(:hours => -48)).
                 all.
                 map { |t| "[#{t.created_at.to_i}, #{t.ppc}]"}
             #end
  
positive.code: <div id="price-chart-container" class="chart-container">
    <h3>Last 48h trade data</h3>
    <div id="price-chart" class="chart" style="margin:auto;margin-top:2em;width:400px;height:300px"></div>
  </div>
  
  
negative.code:           #Trade.with_exclusive_scope do
              trades = Trade.
                with_currency(:lreur).
                #where("created_at >= ?", DateTime.now.advance(:hours => -48)).
                all.
                map { |t| "[#{t.created_at.to_i}, #{t.ppc}]"}
            #end
  