anchor.diff:          <%=
             trades = []
             
  -          with_exclusive_scope do
  +          Trade.with_exclusive_scope do
               trades = Trade.
                 with_currency(:lrusd).
                 where("created_at >= ?", DateTime.now.advance(:hours => -48)).
  
positive.code:     {
        data: [
          <%=
            with_exclusive_scope do
              trades = Trade.
                with_currency(:lreur).
                where("created_at >= ?", DateTime.now.advance(:hours => -48)).
  
negative.code:     {
        data: [
          <%=
            Trade.with_exclusive_scope do
              trades = Trade.
                with_currency(:eur).
                where("created_at >= ?", DateTime.now.advance(:hours => -48)).
  