Propose an edit: Wash trading

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Title Category One sentence summary Infobox, one "key: value" per line Article body, markdown, use [[wiki links]] and end with a ## References section

Wash trading is the practice of acting as both buyer and seller in the same trades to fabricate the appearance of market activity. Because no economic ownership actually changes, the printed volume is fake, but screeners, rankings, and trending algorithms cannot easily distinguish it from real demand. In meme coin markets wash trading is the engine behind much of what appears on trending pages, and detecting it is a core skill of trench due diligence.

## Scale

Academic and industry research documents the practice at enormous scale. A National Bureau of Economic Research study by Cong, Li, and Tang estimated that wash trading averaged over 70 percent of reported volume on unregulated crypto exchanges, and Bitwise's 2019 analysis for the United States Securities and Exchange Commission famously argued that 95 percent of reported Bitcoin exchange volume was fake. During the NFT boom, Elliptic assessed that the overwhelming majority of activity on some marketplaces was wash trading incentivized by token rewards. Chainalysis has continued to flag suspected wash trading and [[pump and dump]] activity in its annual crypto crime reporting, including within Solana meme coin markets.

## In the trenches

Onchain, wash trading is commoditized: paid [[volume bot]] services cycle purchases through dozens of fresh wallets so a token appears organically hot on [[dexscreener]] and launchpad trending lists, a practice adjacent to [[bundle]] launches and coordinated [[cabal]] operations. Motives include luring [[ape]] buyers, qualifying for rankings, and farming platform incentives (see [[farming]]). Traders screen for it by checking whether volume comes from a few funding sources, whether makers are fresh wallets, and whether holder growth matches volume. Wash trading is illegal in regulated United States markets under commodities and securities law, but enforcement rarely reaches anonymous onchain actors, so in practice the deterrent in the [[trenches]] is reputational: a chart exposed as washed loses its buyers.

## References

- https://www.nber.org/papers/w30783
- https://www.chainalysis.com/blog/crypto-market-manipulation-wash-trading-pump-and-dump-2025/
- https://www.npr.org/2022/09/23/1124662811/how-wash-trading-is-perpetuating-crypto-fraud
- https://empirica.io/blog/wash-trading-crypto-definition-detection-methods-and-the-impact-on-crypto-markets/

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