Gets and sets the SpotPriceHistory property.
            List of data points specifying the Spot Price history.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public List<SpotPriceHistory> SpotPriceHistory { get; set; }
 Declaration Syntax
 Declaration Syntax| C# | 
public List<SpotPriceHistory> SpotPriceHistory { get; set; }