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Swap guide

Fixed vs floating rate swaps: which should you choose?

Fixed and floating rate swaps handle price movement differently. Here is what each means, the trade-offs and how to think about slippage.

Reviewed by Gurusha Chauhan, Operations lead

Crypto prices move constantly, and a swap takes time to complete. How a swap deals with that movement is what separates a fixed rate from a floating rate.

Whichever you see, a quote is an estimate. Understanding the difference helps you read it sensibly.

What fixed and floating mean

  • Floating rate: the final amount is worked out when the swap is executed, so it follows the market between the quote and the execution. The amount you receive can end up higher or lower than the estimate.
  • Fixed rate: the rate is set for a defined window, and the partner takes on movement within it. The terms, such as the window and any limits, are set by the partner.

The trade-offs

A floating rate follows the market, so the outcome can be better or worse than the estimate. A fixed rate gives more certainty about the amount, but the terms depend on the partner and the quoted figure may reflect the cost of that certainty.

On HorseRouter, quotes from partners are estimates and the amount can move within your slippage setting. Slippage is the tolerance you set for how far the final result may differ from the estimate.

When to pick which

  • If you need to know roughly what you will receive, for example to cover a payment, a fixed-rate quote where available may suit you better.
  • If you are comfortable with some variation and the swap is small relative to price movement, a floating rate may be fine.
  • For larger amounts or volatile assets, consider a tighter slippage setting and check the estimate carefully before sending.
  • Whatever you choose, remember that transfers are irreversible and network fees are separate.

Frequently asked questions

What is slippage?

Slippage is the difference between the estimated amount and the amount actually received. Your slippage setting is the tolerance you accept for that difference.

Is a fixed-rate quote a promise of the exact amount?

Treat any quote as an estimate. The terms of a fixed rate, including its time window, are set by the partner, so read what is shown before you send.

Can a floating rate give me less than the estimate?

Yes. The final amount can end up higher or lower than the estimate, within your slippage setting.

Do network fees affect the amount I receive?

Network fees are charged by the blockchains you use and are separate from the swap estimate, so factor them in.

Does HorseRouter hold funds while the rate is set?

No. HorseRouter is non-custodial. You send funds to a deposit address from a partner, who executes and settles the swap.

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