Vehicles are displayed at a Carvana dealership, which allows customers to buy a used car online and have it delivered or pick it up from an automated-tower, in Austin, Texas, U.S., March 9, 2017. REUTERS/Brian Snyder
Vehicles are displayed at a Carvana dealership in Austin
  • Carvana shares surged 30% on Monday as the retailer extends its 2023 rally. 
  • The company holds the second-highest short interest at 59%, according to MarketWatch.
  • Traders are placing bets that the firm's rally won't last on looming bankruptcy concerns.

Carvana surged 30% on Monday as the online used-car retailer extends its massive 2023 rally.