All profits reported on the Mizar platform are gross. That means, no fees or taxes are included in the profits shown.
You open a position of $100 worth of BTC. Open price is $50,000, close price is $60,000. You realized a total of $20 gross profits. This does not consider possible fees like:
1) Mizar volume fee
2) Mizar performance fee
3) Exchange trading fee
5) Any other possible fee it might occur