Inventory position counts on-hand units, open orders, and backorders together.
Position formula
Inventory position equals on hand plus on order minus backorders.
position=on hand+on order−backorders
Example day
The example-day position is 20.
8+12−0=20
Later position
The later position is 10.
later position=10
Position note
On-order units count in position because they are already committed to arrive.
position includes open orders