paperliquid
Trading

Fees

The small simulated costs on every trade.

Trades carry small simulated costs, paid in pUSD. They exist so that opening and closing in a loop isn't free and so results reflect real trading.

CostRateWhen
Spread0.1 bp of priceAgainst you, on open and on close
Trading fee0.2 bp of position sizeOn open and on close
FundingNone–

What a round trip costs

Opening and closing at the same price costs about 0.6000000000000001 bp of your position size. As a share of your margin that grows with leverage:

LeverageRound-trip cost, % of margin
1x0.006%
10x0.06%
50x0.3%
100x0.6%
500x3%
1000x6%