GAS & SLIPPAGE SETTINGS

Learn how to setup your gas & slippage settings

Mizar lets you configure gas fees and slippage for both the buy and sell side. You can access these settings by clicking the gas/slippage section on either side.

Watch the video tutorial for more insights.

Gas Fees (Priority Fee)

On Solana, you set a priority fee, which is the fee paid to validators to include and prioritize your transaction. It is expressed in SOL. On other chains like BNB or Base, gas fees are expressed in Gwei, but the concept is the same.

Mizar recommends using a low priority fee. Mizar is very fast at sending transactions on-chain. In most cases, this works even with a low fee, since speed mainly depends on how quickly the transaction is sent, not the fee itself.

The priority fee mainly affects your position ranking within the same block. A higher fee may place you earlier among buyers, while a lower fee may place you later, but within a single block this usually does not change the entry price much—especially for tokens with high liquidity (above ~$100k–$200k). If you trade low liquidity hyped tokens, then a higher fee is recommended to get a better price.

If the fee is too low, your transaction may:

  • Execute later than others

  • Be delayed to a later block

  • Fail due to timeout or slippage protection

Recommended starting values (Solana):

  • 0.0001 – 0.0002 SOL (≈ $0.01) Increase gradually if you see frequent failed transactions. You can review execution details directly on the Mizar chart to see your placement within the block.

Slippage

Slippage protects you from buying or selling at a price that is too far from what you expected. For example, with 10% slippage, the transaction will fail if the execution price is more than 10% worse than the intended price.

Slippage issues are more common on low-liquidity tokens, where other buyers may move the price within the same block.

Common slippage settings:

  • 10%: good default for most trades

  • 15%: sometimes used for smaller or more volatile tokens

  • 5%: higher precision, but higher chance of failed transactions

MEV Protection (Solana)

You can enable MEV protection, which routes your transaction through a private node to protect against sandwich attacks. This requires paying an extra bribe fee to incentivize private validators.

For small trades, most users do not enable MEV protection, as sandwich attacks on Solana are relatively rare. It becomes a balance between risk and cost.

General recommendations:

  • Do not pay more than $0.05 per transaction when trading below 1 SOL

  • For larger trades, higher fees (e.g. $0.15, $1, or more) may be justified to ensure fast and reliable execution

Sell Side

The same gas fee and slippage principles apply to the sell side. Always review and adjust these settings based on market conditions. In low-activity markets, very small fees are often enough. During high congestion, you may need to increase fees to avoid failed or delayed trades.

Regularly reviewing gas and slippage settings helps keep your trade and bots efficient and cost-effective.

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