Fees

Action	Fee	Fee routing	Rent recipient
Open perp	No fee	None	None
Open limit perp	No fee	None	None
Execute limit perp	No fee	None	Keeper / executor receives limit-order account rent
Cancel limit perp	No fee	None	Owner receives limit-order account rent
Add collateral	No fee	None	None
Remove collateral	No fee	None	None
Update borrow fees	No transaction fee; accrues borrow fees	Borrow fees accrue to pool economics	None
Close perp	`0.001 * Size` + accrued borrow fees on closed portion	Close fee: 25% company / 75% pool	Owner receives position rent and companion TP/SL orderbook rent only on full close
Liquidation	`0.0012 * Size` + accrued borrow fees	Close fee: 25% company / 75% pool	Liquidator receives rent for closed accounts
TP/SL perp execution	Voluntary close fee path + accrued borrow fees on closed portion	Close fee: 25% company / 75% pool	Keeper receives rent for any closed accounts
Remove final TP/SL order	No fee	None	Owner receives orderbook rent when the orderbook becomes empty