There was a forum post a long while back about avoiding having to create formulas that add up PREV(1) + PREV(2) + ... + PREV(N) periods to get a rolling average or sum. I can't find it now but it referenced an undocumented function for rolling previous periods - something like RPREV(), but that's not working for me.Ring any bells?

It was this...Add a new version of Rolling Sum and Rolling Avera... - Sisense CommunityRolling Trailing 12 Months | Sisense