[Guide] Maker vs taker fees + how cashback is calculated

Common beginner question. - Maker: limit order that ADDS liquidity. Cheaper. - Taker: market order that REMOVES liquidity. Pricier. Cashback = volume × fee rate × payback %. e.g. $20M/mo perps taker (0.04%) × 50% = 4,000 USDT. The fee rate differs by exchange — even at the same 50%, the lower-fee venue is cheaper net.