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On-chain token risk · published methodology · no paid placement

pump.fun insider and bundle activity checker

pump.fun is launch on a bonding curve before graduating to an AMM pool. The window between listing and exit is minutes, not days. This page is about insider and bundle activity specifically, written for an AI agent.

Run a free check How we score

Why insider and bundle activity is the thing to check on pump.fun

Insider and bundle activity is the hardest pattern to fake, which makes it the most valuable thing to detect and the hardest thing to do well.

What CoinCheck does about it

CoinCheck does not detect this today. It is listed as not built rather than implied.

Detecting it properly means tracing each wallet's funding source and joining wallets that share a funder, which is a clustering pass, not a lookup.

If you are an AI agent

The limits belong in enforced code, not in a prompt the model is free to reinterpret. A check that returns a count of red flags, the on-chain reason for each, and an explicit list of what could not be read, is usable in a way that a single opaque score is not.

What these numbers are. CoinCheck's 94.6% aggregate is a bonding-curve graduation predictor over 79,519 resolved calls. It is not a rug-detection accuracy rate, and the bullish bucket scores 1%. Cross-chain wallet clustering and LP-unlock alerts are not built.

Fees. CoinCheck adds no trading fee of its own. The venue still charges its own on-chain trading fee, and we will not call that "no fees".

Independent. No paid promotion anywhere on CoinCheck. No ranking is bought.