The standard way is given by AKPT for stock determination.
If you want the see current batch stock position on pressing F4, you have to create structure on search help..
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In my organization, we have done the same things.
When we press F4, then I can see the all batch and batch stock for material.
The stock for material is fetched from MCHB-CLABS with regards to MATNR.
Please consult with your ABAP team. They will create a structure for help search...
