Perp P&L calculator
Price move is not what you keep. Fees and funding come out first.
Gross P&L—
Trading fees—
Funding—
Net P&L—
Fees and funding as a share of gross—
Why your exchange shows a different number
Bybit: closed P&L already has the entry fee, the exit fee and funding taken out.
Hyperliquid: closed P&L on a fill is before fees. The fee and funding are listed separately.
Zen Trader does this for every trade, from your real fills.