Is MEV Bot Profitability Dead in 2026? Data from 10,000 Private Bundles
New data shows public mempool sniping is dead. Here’s how private bundles, atomic arbs, and Solana Jito are dominating the 2026 landscape.
Outcome
Ship a safer MEV route
Updated
1/28/2026
Next step
Launch dashboard & assign node

The "Golden Age" of public mempool sniping is undeniably over. If you are still running a basic Gas War bot on Ethereum Mainnet in 2026, you are likely burning more in failed transaction fees than you are earning in alpha.
But does that mean MEV is dead? Absolutely not.
At FRB Labs, we analyzed telemetry from over 10,000 private bundles executed through our Agent Hub in January 2026. The results paint a clear picture: the game hasn't ended, it has just moved underground.
The Death of the Public Mempool
In 2021-2022, "Priority Gas Auctions" (PGA) were the norm. You saw a trade, you bid higher gas, you won. Simple. Today, 92% of profitable arbitrage opportunities on Ethereum are routed exclusively through private relays like Flashbots, Titan, and beaverbuild. They never hit the public mempool until they are already mined.
[!WARNING] Risk Alert: Attempts to frontrun transactions in the public mempool now carry a 65% "Salmonella" risk factor—honeypots designed to drain naive bots.
2026 Profitability Benchmarks
We segmented bot operators into three tiers based on their monthly net profit (after gas and infrastructure costs):
| Operator Tier | Strategy | Avg. Monthly ROI | Key Differentiator |
|---|---|---|---|
| Casual | Public Mempool Sniping | -15% (Loss) | High revert rate, honeypots |
| Advanced | Private Bundles (FRB) | +22% | No reverts, atomic execution |
| Elite | CEX-DEX Arbitrage | +140% | Inventory on Binance/Coinbase |
Why Private Bundles Win
The "Advanced" tier—which users of the FRB Agent fall into—relies on Atomic Execution.
- Definition: Your transaction only lands on-chain if it succeeds.
- Cost: 0 ETH for failed attempts.
- Result: You can be wrong 1,000 times a day for free. You only pay when you profit.
Shift to L2 and Solana
While Ethereum L1 remains the "Whale's Playground" due to high capital requirements for atomic arbs (often requiring $50k+ inventory to be worthwhile), Layer 2s and Solana offering a different landscape.
- Arbitrum & Base: Lower margins ($0.50 - $5 per trade) but significantly higher frequency. A single bot can execute 400+ successful arbs per day.
- Solana (Jito): The "Las Vegas" of MEV. Extremely high speed, high variance. Requires Rust-based bots (unlike the EVM-focused FRB Agent currently).
How to Adapt in 2026
If you want to start generating passive income from crypto tools this year, you need a pivot in strategy:
- Stop leaking info: Use a Private RPC for all submissions.
- Focus on "Backrunning": Don't try to sandwich (frontrun & backrun) users unless you have elite latency. Instead, look for heavy DEX trades and cleanup the price discrepancy after they trade. It's safer and friendlier.
- Use Simulation: never blindly send a tx. Your bot must simulate the state change locally first.
Conclusion
MEV isn't dead; it just graduated from "Wild West" to "Professional High-Frequency Trading". The tools exist to level the playing field.
Ready to upgrade your stack? Download the FRB Agent and start shipping private bundles today.
Step after reading
Launch FRB dashboard
Connect your wallet, pair the node client with a 6-character PIN, and assign the contract mentioned above.
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Grab the latest installer, compare SHA‑256 to Releases, then follow the Safe start checklist.
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Further reading & tools
Comments
Benchmarks vs public PGA would be amazing.
Inclusion rate improved after moving to private bundles.
Could you compare relay options in more detail?
Would love a video walkthrough for setup.
The TL;DR makes it easy to share with teammates.
Backrun example clarified a lot for me.
Hope to see more examples on Polygon.
Would love a follow-up on simulation best practices.
The checklist was super helpful—please add a section on reorgs.
I tried this with a canary size and it worked as expected.
Could you share recommended WSS providers?
Great primer on private bundles and risks.