This pool facilitates trades between ARB and USDC. Your yield is generated from swap fees paid by traders when an exchange happens. GMX V2 features isolated pools consisting of a long (ARB) and short token (USDC), which serves as the counterparty for traders on GMX V2. The pool earns platform fees from leverage trading and swaps related to the ARB-USDC pair. The price of the pool depends on the price of the long/short tokens and the net pending PnL of traders' open positions.