0.1% of the swap or 0.001 SOL, whichever is lower. On anything bigger than a couple hundred dollars that's 0.001 SOL, and it stays 0.001 SOL whether you swap 5 SOL or 500. On a tiny swap the 0.1% is the smaller number, so you pay that instead. Sometimes less than 0.001 SOL. Never more.

No volume tiers, no spread tucked into the quote, and no intro rate that changes later.

What a swap actually costs

On any Solana wallet the cost of a swap is three things stacked together:

  • The app's fee. On Aurus, up to 0.001 SOL.
  • Network fees. Solana's base fee plus a priority fee, paid to validators, not to us. Fractions of a cent. Aurus sets the priority fee automatically for every trade; there's no fee level to pick.
  • Price impact and slippage. Set by how much liquidity the token has and how big your trade is. Same on every wallet. See what slippage is.

Why a cap instead of a percentage

The wallets most people use take 0.85% of every swap, some 0.95%. On a small trade that's noise. On a 100 SOL swap it's 0.85 SOL on the way in and 0.85 SOL on the way out, and the wallet didn't do anything extra to earn it. Capping the fee cuts the link between what you pay and how big you trade. The longer version is in flat vs percentage fees.

Seeing it in the app

The swap tab keeps a running total of what you've saved in fees against a 0.85% wallet, based on your own swaps. If you want the number before you install, the fee comparison takes any wallet address, pulls its real swap history, and shows what Phantom, Solflare, Axiom, and Jupiter would have charged for those trades next to the Aurus fee. Your number, not an average.

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