Fees
Katana Perps uses a maker-taker fee model. Taker orders (those that immediately match against resting orders) pay a taker fee, while maker orders (those that rest on the order book and add liquidity) pay a lower maker fee. This structure incentivizes liquidity provision and tighter spreads.
Trading Fees
Default fee rates at launch:
Taker Fee
0.04%
Maker Fee
0.01%
Fees are calculated on the notional value of the trade and deducted from (or credited to) the trader's USDC quote balance at the time of settlement. Negative maker fees mean that makers receive a rebate — you are paid to provide liquidity.
Katana Perps defines exchange-wide default fee rates, market-specific fee rates, and wallet-specific fee rates. Markets may be subject to promotional periods with lower rates, and wallets have several opportunities to lower fees via promotional programs. The platform applies the lowest fee available across all scopes.
Referral discount: Traders who sign up using a referral code receive a 5% discount on trading fees. See the Referrals section for details.
Maker fee is negative (a rebate): liquidity providers receive a credit when their maker orders are filled.
Gas Fees
All trade execution and settlement on Katana Perps is gas-free. Users do not pay blockchain transaction fees for placing orders, executing trades, settling positions, or claiming referral rewards.
Users pay standard Katana blockchain gas fees only for depositing funds into and withdrawing funds from the Katana Perps smart contract — the same cost structure as any on-chain token transfer.
Withdrawal Fees
Withdrawals are processed by the Katana Perps protocol. A small withdrawal fee of $0.05 is applied to cover network costs. The current withdrawal fee can be queried via the API's Get Gas Fees endpoint. When submitting a withdrawal request, users authorize a maximum fee to protect against rate fluctuations; the actual fee deducted will not exceed this amount.
Liquidation Fees
When a position is liquidated, a liquidation fee is charged. Liquidation fees compensate the Liquidation Partner Program participants who help maintain the health of the platform. See the Liquidation Partner Program section for more details.
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