Jupiter delivers Ultra v3 with advanced MEV protection and lower trading costs

Key Points:

• Jupiter delivers Ultra v3 with stronger MEV protection and 10x lower fees.

• New predictive execution engine improves trade performance and slippage.

• Gasless trading now works with memecoins and Token-2022 assets.

• Iris router enhances Solana decentralized exchange aggregation with real-time optimization.

Jupiter delivers Ultra v3, introducing major upgrades to the Solana decentralized exchange ecosystem.

The new version of its Ultra protocol improves protection, reduces costs, and enhances user trading speed. This release makes decentralized finance on Solana more efficient and secure for traders at every level.

As the team explains, Ultra v3 brings “industry-leading performance” with 34x better sandwich protection, up to 10x lower execution fees, and faster completion times. The goal is to make Solana trading feel as reliable as centralized platforms, without sacrificing transparency or control.

A new era for Solana decentralized trading

From my perspective, this version marks a clear step forward for on-chain execution. The engine now integrates directly into all Jupiter products, including its mobile and desktop apps, API, and professional tools. That means traders using Jupiter’s systems gain these improvements instantly, with no migration or extra setup required.

The new Iris router, described as a “meta aggregator,” is central to this leap. Iris searches across multiple sources—like JupiterZ, DFlow, Hashflow, and OKX—to identify the most efficient trade paths. This ensures users always access the best possible pricing while reducing slippage.

JupiterZ, the platform’s native Request for Quote (RFQ) system, handles about $100 million in daily volume and delivers zero slippage by design. Now, through Ultra v3, this RFQ system becomes exclusive to Jupiter users, giving them a unique trading advantage on Solana.

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Predictive execution for real-time precision

A major part of Ultra v3’s upgrade is the new predictive execution engine. It works by simulating potential trades in real time, choosing routes that avoid slippage before orders are sent. The engine “intelligently prioritizes routes” and performs “just-in-time simulations” to achieve tighter quotes.

In trading terms, this means users can expect their transactions to settle closer to the expected price, even in volatile markets. For anyone trading across Solana’s decentralized exchange network, this consistency reduces risk and enhances trust.

The protocol also includes Jupiter’s in-house “transaction landing engine,” ShadowLane. This component provides sub-second and private execution, minimizing transaction delays and protecting sensitive order data. Together, these upgrades make Ultra v3 one of the fastest and most secure execution systems in the Solana ecosystem.

Stronger MEV protection and private execution

A key challenge for decentralized exchanges is Maximal Extractable Value (MEV) exploitation, where third parties profit by manipulating transaction ordering. Jupiter says most providers sell order flow to MEV searchers, which increases users’ exposure to front-running or sandwich attacks.

Ultra v3 does the opposite. It prevents external access to orders, keeping transactions private and protected. The engine never hands trades off to external providers for on-chain execution. As a result, users gain a stronger layer of MEV protection, making it much harder for bad actors to interfere.

For traders, this translates to a cleaner, fairer execution environment where prices reflect genuine market conditions.

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Lower costs and gasless trading expansion

Ultra v3 also refines Jupiter’s “Gasless Support” system, which lets users trade even without holding SOL in their wallets. During a swap, the protocol automatically computes the gas cost and pays it from the tokens involved in the transaction.

This feature is now compatible with Token-2022 assets and memecoin-memecoin pairs, expanding the possibilities for low-cost trading. The minimum trade size has also been reduced to $10, making the platform more accessible for smaller users.

For active Solana traders, lower execution fees and the elimination of upfront gas requirements can save substantial value over time. Combined with improved protection and precision routing, these upgrades make Ultra v3 a clear advance for decentralized trading infrastructure.

Ultra v3 reinforces Jupiter’s leadership

By combining predictive execution, deep aggregation, and complete integration, Jupiter positions itself as Solana’s top decentralized exchange aggregator. The release aligns with the team’s vision of seamless trading that matches centralized efficiency without compromising user control.

From my standpoint, Ultra v3 demonstrates how thoughtful protocol design can solve real challenges in DeFi. The enhancements around MEV protection, slippage reduction, and gasless trading reflect a maturity in how on-chain systems are being engineered for scale.

As Jupiter continues to refine its Ultra suite, traders on Solana gain not only better tools but also greater confidence in decentralized execution.