Why does a Solana swap show a price but fail at confirmation?

The answer

A quote can become stale, available liquidity can move, slippage settings can reject execution, or the transaction can expire before processing.

What to do next

Check the swap’s error, route, price impact and network fee. Refresh the quote and avoid blindly increasing slippage to extreme levels.

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Does more slippage always fix a failed swap?

No. It may worsen the executed price and does not fix expired or invalid transactions.