Spread surplus in the 1inch dApp

Users can now see their gains from spread surplus directly in the 1inch dApp.

Thanks to an update in the 1inch dApp UI, users will now see a visual highlight whenever a surplus is captured during a token swap. When a swap is executed at a more favorable rate, the dApp automatically surfaces the surplus amount, offering users clearer insight into the value received.

What is spread surplus?

Spread surplus refers to the difference between the initial swap rate and the final rate achieved during an intent-based or cross-chain swap. On 1inch, these swaps are powered by a Dutch auction mechanism, which begins at the spot price and gradually approaches the market rate. Throughout this process, resolvers - professional market makers - can execute the order at any point along the curve. If a resolver accepts a price more favorable than the eventual market rate, the resulting spread surplus is returned to the user as added value.

How can 1inch users benefit from it?

1inch’s intent-based and cross-chain swaps are designed to capture spread surplus whenever possible. Since resolvers choose the execution moment based on auction dynamics, users can benefit when swaps are filled before the price moves to less favorable levels. This mechanism enhances efficiency and fairness, returning any captured surplus directly to the user. 

Since the launch of intent-based swaps, users have received rates roughly 0.2% better on average, thanks to spread surplus.

Take advantage of a possible spread surplus right now in app.1inch.io!