PANews reported on March 16 that, according to Coinbase Markets , the platform has suspended trading in several perpetual contracts as previously announced, and will automatically settle all open contracts at the final settlement price. The contracts involved include MET-PERP , REZ-PERP , BABY-PERP , SUPER-PERP , SUSHI-PERP , GMX-PERP , ERA-PERP , XAN-PERP , VINE-PERP , T-PERP , YB-PERP , WCT-PERP , HOME-PERP , NOT-PERP , MINA-PERP, CATI-PERP , DOGS-PERP , COW-PERP , GRT-PERP , DRIFT-PERP , COOKIE-PERP , ARKM-PERP , B3-PERP , SXT-PERP , and BB -PERP. The settlement price is calculated based on the average index price over the 60 minutes prior to the suspension .