+ - Pine Script Operator
+
Overview
Section titled “Overview”Addition or unary plus. Applicable to numerical expressions or strings.
Syntax
Section titled “Syntax”expr1 + expr2Returns
Section titled “Returns”Binary + for strings returns concatenation of expr1 and expr2
Remarks
Section titled “Remarks”- You may use arithmetic operators with numbers as well as with series variables. In case of usage with series the operators are applied elementwise.