Economic Surprise Indicator

The following indicator calculates the percentage change between the actual and forecasted economic event.

As an example, let us say you want to calculate the percentage change of the actual vs estimate numbers for the USD consumer Credit and then see its impact on the underlying currency pair.
You can do so by adding the following formula to your chart (Add a new pane, right click on the pane then select "Edit Formula")

a = economicsurprise("USD", "USD Consumer Credit");
Plot(a, "Surprise Avg.", colorBlack, chartLine, StyleSymbolNone);

In a trading system, you can add EURUSD in the symbols tab then add the following buy rule:
Buy = economicsurprise("USD", "USD Consumer Credit") > 0;

The trading system will instruct QuantShare to generate an order to buy the EURUSD every time the USD consumer credit actual number is higher than the forecasted number.

Important notes:
In order to use this indicator, you must first download economic events data using the following item: Forex Economic Calendar

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