Singlestat wrong data - query is ok

Hi, I couldn’t find the solution in previos posts so I’m asking here.

For some reason I can’t correctly rapresent the current value of balance in my dashboard: the value is ok on the graph but it’s wrong on singlestat

And this is query inspector array:

The question is: how from an array of 0.30 and null values singlstat prints 0.22 ?

I tried different queries: last value, max value, fill with previous values… but results of singlestat are always different from graph and query arrey.

Any ideas ?