Understanding Pump.fun Bonding Curve and the Copy-Trading Limitation

Pump.fun is a platform that uses a bonding curve mechanism, where each new purchase gradually increases the token’s price until the curve is fulfilled (also referred to as “completing the bonding curve”). Below is an explanation of why no further purchases can occur and hence cannot be copy-traded once that bonding curve is maxed out.

1. What is Pump.fun?

• Bonding Curve Mechanics Pump.fun features tokens that follow a price curve. As each buy order is executed, the token’s price moves up the curve. Once the final segment of this curve is purchased, there are no more tokens to buy at Pump.fun.

• Price Impact Because purchases are happening on a bonding curve, a large enough buy can immediately fulfil the remaining supply on that curve, pushing the price to its maximum threshold.

The Math behind Pump.funMedium

2. Why OdinBot Can’t Copy a Fulfilled Bonding Curve Trade

• Trade Execution Timeline OdinBot is a copy-trading bot. The moment your mirrored wallet executes a trade on Pump.fun, OdinBot will try to replicate it by submitting the same trade request on your behalf.

• Complete Bonding Curve If your mirror’s buy order fully completes the bonding curve, that wallet is effectively the last to get tokens from Pump.fun. Afterward, no tokens remain to be purchased on that curve.

• Result: Trade Failure When OdinBot attempts to copy that final buy, there are no tokens available at that price (or any price), causing the buy attempt to fail. No matter how fast the bot or how high the priority fees, a fulfilled bonding curve has no remaining liquidity to fill another purchase.

3. Key Takeaways

1. Last Person to Buy Wins That Spot The wallet executing a large buy and completing the curve effectively closes the opportunity for any subsequent buyer, including OdinBot.

2. No Speed Advantage Even if OdinBot uses its highest speed or priority settings, once the bonding curve is complete, no further trades can be made on that token at Pump.fun.

3. Mirror Behavior OdinBot always attempts to reproduce the mirrored wallet’s trade. However, in this scenario, it cannot because the trade no longer exists on Pump.fun.

4. Practical Tips for Copy-Traders

• Monitor Large Buys Keep an eye on the size of buys your mirror wallet usually makes. If they typically purchase large amounts of a Pump.fun token, there’s a chance they might complete the bonding curve in a single trade.

• Adjust Expectations Understand that if your mirror closes out the bonding curve, you will not be able to execute the same trade.

• Stay Informed Check the Pump.fun page or other explorers (e.g., Solscan) for the token’s transaction history to see if the bonding curve has ended.

Solscan for in-depth Analysis

Conclusion

If the mirror wallet completes the Pump.fun bonding curve, there is simply no liquidity left for OdinBot to copy that trade. This is a core limitation of how bonding curves function on Pump.fun, once the curve is fulfilled, the token is no longer available for purchase at that price.

Wallets to Avoid When Copy-Trading