Assuming you open a long position with bitcoin at $90000, you should see the position as
Also you open bitcoin long position at $910000, you should see it as position 2.
I means same coins with 2 positions. Just as if you open bitcoin as position 1 and another coin as position 2.
On most exchanges, the bitcoin amount you used to open 1st and 2nd position eillnadd up as just only one position.
The reason I asked is because I want to try grid trading and this is how it can be convenient for me on a single exchange.