EthFi (ETHFI) jumped 15% following its listing on South Korean exchange Upbit, with on-chain data revealing that Arthur Hayes, founder of cryptocurrency derivatives exchange BitMEX, accumulated the token just five hours before the public listing.
The pre-listing accumulation by Hayes—a well-known macro trader and cryptocurrency investor—preceded the exchange debut by a narrow window, suggesting advance positioning ahead of the listing announcement. On-chain monitoring platform LookOnChain flagged the transaction, tracking Hayes's token acquisition timing relative to Upbit's official listing.
The 15% price appreciation following the Upbit debut underscores how major exchange listings continue to drive volatility and price discovery in smaller-cap tokens. Hayes's early positioning, executed through apparent advance knowledge or market timing, highlights how institutional players leverage timing advantages in token listings—a pattern that has drawn scrutiny from market observers tracking whale activity and potential information asymmetries in decentralized finance launches.