Why did my transaction fail?
Short answer
On Solana, swaps most often fail because the price moved more than your slippage tolerance allowed (so the trade reverted to protect you), or because you under-priced the priority fee during congestion and the transaction was not included in time.
Either way, a failed transaction still costs you the small network fee. Tuning slippage and priority fees to the conditions reduces failures.
Related questions
Did I still pay a fee on a failed transaction?
Yes — the base network fee applies even when a swap reverts. Repeated failures add up.
How do I stop swaps from failing?
Set slippage appropriate to the pool and size, and use an adequate priority fee during congestion so your transaction lands.
Why do exits fail more during dumps?
Volatility and congestion spike together. A too-tight slippage or low priority fee can prevent your sell from landing while price drops.
Reading the chart is step one. Getting pinged in real time is step two.
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