Exchange Fees

This page summarizes the public fee model for Challenge4Trading Perp (C4T).

Fee Model Overview

Challenge4Trading Perp is a decentralized perpetual trading protocol on Arbitrum. Depending on the market and execution path, users may encounter:

  • open fee
  • close fee
  • liquidation fee
  • oracle fee
  • one-click / relay fee where applicable
  • rollover-based position costs where applicable

Core Trading Fees

Open fee

Maximum public open fee: 0.03% (3 bps).

Eligible users may receive lower effective open fees through the loyalty program.

Close fee

Current close fee: 0.00% (0 bps).

Liquidation fee

Current liquidation fee: $0.05 (50000 in USDC 6-decimal representation).

Oracle fee

Current oracle fee: $0.05 (50000 in USDC 6-decimal representation).

One-click / relay fee

Current one-click open fee: $0.03 (30000 in USDC 6-decimal representation).

Rollover-Based Position Costs

C4T uses rollover-based position costs rather than a classic funding-rate exchange model.

Depending on the market and holding duration, positions may accrue rollover-related costs over time.

Where Fees Can Be Verified

Public fee configuration can be read from:

These public surfaces expose protocol fee configuration such as:

  • open fee basis points
  • close fee basis points
  • liquidation fee
  • oracle fee
  • one-click fee

Public Fee Summary

Fee TypePublic Value
Open Feemax 0.03% (3 bps), loyalty discounts may apply
Close Fee0.00% (0 bps)
Liquidation Fee$0.05
Oracle Fee$0.05
1-Click Open Fee$0.03

Public Fee References

Relevant public resources:

Important Note

Displayed fee values, market availability, and execution conditions may vary over time depending on protocol configuration and market state. Integrators should rely on the live public API rather than hard-coded fee assumptions.