=SUMPRODUCT((A2:INDEX(A2:A$1002,MATCH(A1,A2:A$1002,0))<>"")/COUNTIF(A2:INDEX(A2:A$1002,MATCH(A1,A2:A$1002,0)),A2:INDEX(A2:A$1002,MATCH(A1,A2:A$1002,0))&"")) Hi GraH. You are terrific! However, this needs to be used as the "next offset" column which I am not sure how to incorporate. Many...