The term "instrument" denotes a tradable value such as a stock, ETF, future, etc.
An instrument has various properties that can be used in TradersYard X Script created by the user:
With the OnCalculate() method you can use any properties you wish without having to test for a null reference. As soon as the OnCalculate() function is called up by TradersYard X Script, an object will become available. If you wish to use these properties outside of OnCalculate(), you should first perform a test for null references using if (Bars != null)
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