How to Set Slippage for Your First Token Swap

For a first swap, try a 0.5% slippage limit on a liquid token pair; it lets the quote worsen by at most 0.5% before the trade stops. Check the quoted output first, because a large price impact is already a bad price, not a reason to loosen the limit.

The limit sets your minimum received amount

Slippage is the change between the price shown in a swap quote and the price when the trade completes. A slippage limit, also called tolerance, tells the swap the smallest amount you will accept.

For example, if a quote says you will receive 100 tokens, a 0.5% limit sets the minimum near 99.5. The pool fee is usually already reflected in the quoted output; the Avalanche network fee is separate and paid in AVAX. If a submitted trade fails this minimum check, the swap does not complete, but you may still pay a network fee.

Use the quote to choose your limit

  1. Choose the token pair and enter a small test amount. The pair is the two tokens being exchanged. A smaller trade can make less difference to the pool price, which helps you see the normal quote before risking more.

  2. Read the output and any price impact warning. Price impact means your trade size moves the pool price as it uses available liquidity. On Blackhole Swap, compare the quoted output with the minimum received amount to see how much movement your setting allows before confirming an Avalanche pool trade.

  3. Start near 0.5% if the pair is liquid and prices are steady. For a thin or fast-moving pool, even a 1% limit may still fail. Raising the limit lets the trade accept a worse price; it does not improve the quote.

  4. Check the minimum received amount and network fee in your wallet. Make sure the minimum is still acceptable and that you have some AVAX for the fee. Then confirm the trade only if both figures make sense.

Raise the limit only when conditions support it

A common mistake is increasing slippage whenever a swap fails. First check whether the pool is thin, the token price is moving quickly, or the amount is too large; try a smaller amount or wait if the quote has shifted sharply.

For a Blackhole Swap trade, I would retry with a smaller amount before accepting a much lower minimum. A wider limit may suit a volatile token if you knowingly accept that risk, but choose a different moment or pair if the minimum output would make the trade a poor deal.

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