PumpSwap Explained — Pump.fun New DEX in 2026
PumpSwap is Pump.fun own decentralized exchange that replaced Raydium as the graduation destination for tokens. Understanding how it works is essential for anyone launching on Pump.fun in 2026.
What is PumpSwap?
PumpSwap is a native AMM (Automated Market Maker) built by Pump.fun to handle token trading after graduation from the bonding curve. Previously when a token reached the graduation threshold of approximately 800 SOL in the bonding curve it would automatically migrate to Raydium DEX. With PumpSwap that liquidity stays within the Pump.fun ecosystem instead.
The introduction of PumpSwap represents a major shift in how Pump.fun operates as a platform. Instead of being purely a token launchpad that sends successful projects to external DEXes, Pump.fun is now a complete trading ecosystem from launch to long-term trading all within one platform.
Why Did Pump.fun Build PumpSwap?
The main reasons Pump.fun moved away from Raydium migration are both strategic and economic. By building their own DEX Pump.fun can capture the full value chain from token creation through trading rather than handing off graduated tokens to a competitor platform.
- →Revenue retention — Pump.fun earns trading fees on PumpSwap volume instead of sending that revenue to Raydium. This is a significant business decision given the massive volume that flows through graduated tokens.
- →Better user experience — Traders can discover, launch, and trade tokens without ever leaving the Pump.fun interface. This reduces friction and keeps users engaged with the platform longer.
- →Lower fees — PumpSwap has competitive trading fees compared to Raydium, making it more attractive for active traders who execute many transactions.
- →Ecosystem control — Pump.fun can now make decisions about liquidity, fees, and features without depending on Raydium governance or technical constraints.
How Does PumpSwap Work Technically?
PumpSwap functions as a standard constant product AMM similar to Uniswap V2 but built natively on Solana. When a token graduates from the Pump.fun bonding curve the protocol automatically creates a PumpSwap liquidity pool and seeds it with the accumulated SOL from the bonding curve phase plus the remaining token supply.
The graduation process is fully automated and happens in a single atomic transaction. Once the bonding curve fills to the threshold the smart contract simultaneously closes the bonding curve position and opens the PumpSwap pool with the correct token and SOL amounts. Traders can immediately start buying and selling the graduated token on PumpSwap without any delay.
How Does PumpSwap Affect Token Launches?
For developers launching tokens on Pump.fun, PumpSwap changes the graduation destination but not the launch mechanics. Bundle buying in block 0, sniper protection, supply control, and volume bot strategies all work exactly the same way during the bonding curve phase.
The key difference is that when your token graduates, liquidity moves to PumpSwap instead of Raydium. This means traders access graduated tokens through PumpSwap directly or through DEX aggregators that have integrated PumpSwap routing.
For most launches this distinction is irrelevant because less than 1% of tokens ever reach graduation. The bonding curve phase where bundling matters most is completely unchanged by PumpSwap.
Does PumpSwap Affect Bundling Strategy?
No — your bundle launching strategy remains exactly the same. You deploy your token through the Pump.fun bonding curve, buy from multiple wallets in block 0 via Jito bundles using SolBundler, and manage your position through the bonding curve phase using Smart Sell and volume bot tools.
PumpSwap only becomes relevant after graduation which requires approximately 800 SOL worth of buying pressure in the bonding curve. At that point your token has already succeeded and the graduation destination is a secondary consideration. Focus your strategy on the launch and bonding curve phase where bundling provides the most competitive advantage.
PumpSwap vs Raydium — Key Differences
| Feature | Raydium (old) | PumpSwap (new) |
|---|---|---|
| Graduation destination | Raydium AMM | PumpSwap AMM |
| Platform integration | External DEX | Native to Pump.fun |
| Jupiter routing | Full support | Partial support |
| Trading fees | 0.25% | Competitive |
| Launch mechanics | Bonding curve | Bonding curve (unchanged) |
| Bundle buying | Fully supported | Fully supported (unchanged) |
| Sniper protection | Via bundling | Via bundling (unchanged) |
What This Means for Solana Memecoin Developers
The introduction of PumpSwap does not change your core launch strategy. The most important factors for a successful Pump.fun launch remain the same in 2026: a strong narrative that resonates with the community, professional bundle launch using Jito MEV bundles to control block 0 supply, active community management on Twitter and Telegram, and volume support to maintain trending status.
What PumpSwap does change is the post-graduation landscape for the rare tokens that make it that far. If your token graduates to PumpSwap rather than Raydium you should ensure your community knows where to trade and which aggregators support PumpSwap routing to maintain accessibility for new buyers.
SolBundler fully supports Pump.fun launches with PumpSwap graduation. Beat snipers in block 0.
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