how to keep a rolling 6 month range in my formula?

SJB0814

New Member
Joined
Feb 19, 2024
Messages
3
Office Version
  1. 365
Hi all,.

Could someone suggest what I need in my formula to keep a rolling work out over the last 6 months when I add a new month column in my sheet?

I have a formula in P13 looking at the 2nd lowest number in a range of 6 months,

=SMALL($J$13:$O$13, 2)

but when I add a new month in column P the formula doesn't change to K13:P13. (i tried without the $ signs too).

Anyone able to let me know what I need to add into my formula? Many Thanks.

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i have an End Date cell (z1) off screen that has =Today()
then the start date (z2) is 6 mos prior: =EDATE(z1,-6)
 
Upvote 0
Are you going to use this for any kind of filtering or lookup? This identifies the 2nd smallest dates in a Let function, which you can leverage into more information:

Book1
IJKLMNOPQ
10
11
12
13Date2024-01-012024-02-012024-03-012024-04-012024-05-012024-06-012024-07-01
14Value35383237343726
152nd Smallest Date of Last 62024-03-01
16
17
18
19Date2024-01-012024-02-012024-03-012024-04-012024-05-012024-06-012024-07-012024-08-01
20Value3538323734372627
212nd Smallest Date of Last 62024-04-01
Sheet2
Cell Formulas
RangeFormula
J15,J21J15=LET(Dates,$J13:$AZ13,Last6,TAKE(FILTER(Dates,Dates<>"",""),,-6),SMALL(Last6,2))
 
Upvote 0
Hi, No more filtering or look up required.

If I used the =EDATE(z1,-6), how do I add that with the existing formula? =SMALL($J$13:$O$13, 2)

Thanks
 
Upvote 0
Hi, welcome to the forum! If I understand correctly you can try this in P13, you should note that's this is a volatile function, which means it will re-calculate with every recalculation. I don't think it will be a big problem for you though as it's a pretty lightweight formula, but you should still try to use it sparingly.

Excel Formula:
=SMALL(OFFSET(P13,0,-6,1,6),2)
 
Upvote 0
Hi, welcome to the forum! If I understand correctly you can try this in P13, you should note that's this is a volatile function, which means it will re-calculate with every recalculation. I don't think it will be a big problem for you though as it's a pretty lightweight formula, but you should still try to use it sparingly.

Excel Formula:
=SMALL(OFFSET(P13,0,-6,1,6),2)
yes that works, great help everyone, many thanks
 
Upvote 0

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