=LET(j,FILTER(出入库明细!$A$1:$C$9999,出入库明细!$B$1:$B$9999=A2),v,INDEX(j,,3),w,FILTER(j,v>0),r,--TEXTAFTER(SCAN(-SUM(v*(v<0))&"/0",INDEX(w,,3),LAMBDA(s,n,LET(p,--TEXTBEFORE(s,"/"),IF(p>n,p-n&"/0","0/"&n-p)))),"/"),MMULT(TRANSPOSE(r),N(MATCH(TODAY()-INDEX(w,,1),{0,16,31,91})={4,3,2,1})))