Returns the yield for a treasury bill.
| Name | Type | Description |
| arg1 | any | Is the Treasury bill's settlement date, expressed as a serial date number. |
| arg2 | any | Is the Treasury bill's maturity date, expressed as a serial date number. |
| arg3 | any | Is the Treasury Bill's price per $100 face value. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.TBILLYIELD("2/15/2018", "6/1/2018", 99.5));
builder.SaveFile("xlsx", "TBILLYIELD.xlsx");
builder.CloseFile();