How to choose a fermi swap route from your wallet
Fermi swap in a wallet is a route decision: compare net output, execution conditions and fallback behavior before signing, since the quoted path determines your actual trade.
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How should you choose a fermi swap route from your wallet? Compare the amount you will receive after fees and gas, then check the route’s execution conditions before you sign. The headline quote is only useful if the trade can execute at that price and deliver your minimum.
FermiSwap is a proprietary automated market maker, or prop AMM, on Ethereum: it fills trades from its own token inventory rather than a shared liquidity pool. That can make its quote differ from a pool route, especially when the trade is large relative to available inventory. When a wallet offers a fermi swap route, compare it with the other available quotes for the same pair and amount.
How should you compare a fermi swap route?
Compare net output for the same input, accounting for the network fee and any route fee shown. A route with more hops can find a better price, but each hop adds execution steps and may add fees; a direct route can be simpler without delivering more. Quotes can also change before your transaction lands.
Check these details in the wallet’s confirmation screen:
- Minimum received: the least output accepted before the swap reverts.
- Price impact: how much your trade moves the quoted price, often a sign that inventory or pool depth is limited.
- Network and token: confirm the input and output assets are on the intended network.
- Approval: check which token and spending contract the wallet asks you to approve.
When is a wallet’s fallback route useful?
A fallback can let a router try another venue if its preferred route cannot fill the trade, but it does not guarantee the best final price. The actual result depends on the route’s execution rules and the market state when the transaction is included. A failed swap may still cost gas, so a quote that looks attractive but has tight execution limits can be a poor choice.
What should you do before signing a fermi swap?
For most trades, choose the route with the strongest net output that still has a sensible minimum received and clear token approvals. If the fermi swap quote is close to another route, weigh its execution conditions and gas against the small output difference; the highest displayed amount alone is not enough. Recheck the wallet’s quoted output and minimum received immediately before signing, because those are the numbers that govern your trade.