The Metellos Exchange was an auction based on Metellos 3, a moon of the planet Metellos, during the Mandalorian Wars. It used scientific data collected on the moon to auction off the rights to newly discovered and often unexplored celestial objects for a profit. The operation was run by the Raff Syndicate, which intentionally exaggerated the benefits of the data to encourage more competitive buying and, as a result, more profits. The market was run by Chev slaves owned by a Chevin named Nunk Plaarvin. The Chevin was removed from his position by the black marketeer Marn Hierogryph and his conning group, Cargryph Capital Management, in 3963 BBY when they conned the system using the planet Italbos. After managing to trick Plaarvin into leaving Metellos 3, the auctioneer—one of Plaarvin's Chev