Get started
Connect a wallet, get testnet USDC and ETH on Arbitrum Sepolia, and start trading.
Orders
Place, cancel, and manage orders. Add or remove margin on positions.
Pricing
One price per market for execution, PnL, margin, and liquidation, with no mark/index split.
Fees & rebates
A per-market trade fee that updates daily, plus a dynamic impact fee on market and limit
orders. Liquidity providers can earn rebates with no-rush orders.
Advanced trading
Order matching
How orders are matched, including no-rush residual fills.
Liquidation
When positions are liquidated and how it works.
Insurance fund
Protocol backstop for undercollateralized positions.
ADL
Auto-deleveraging when liquidation losses threaten a market’s insurance fund budget.
Glossary
Definitions for protocol terms.
Earn
XP Program
XP program and earn rewards.
Market Makers / LPs
Market making and liquidity provisioning.
Developer Docs
Developer Docs
API reference and integration guides for building on Fairground.