On-chain execution costs
The relevant DEX value is expected amount out after swap fees, price impact, and gas—not a pool's headline reserve price.
- token contract address and decimals;
- pool liquidity and swap direction;
- gas paid in the chain's native token;
- CEX transfer fees and possible delays.
MEV and changing pool state
A DEX quote can change between simulation and block inclusion. A public mempool may also expose the transaction to front-running or sandwich activity.
A slippage limit protects the execution price, but a wide limit raises potential loss while a narrow one increases transaction failure risk.
Updated: 2026-07-18
Frequently asked questions
Does the visible spread include gas?
Analysis should use a current gas estimate, but the final cost depends on network conditions and block inclusion.
Why is a ticker not enough to identify a token?
Different contracts can share a ticker, including fake tokens or assets that a centralized exchange will not credit.