Short Sellers Squeezed Hard as Avis Shares Rocket 150%

An airport shuttle departs an Avis rental location near LaGuardia Airport (LGA) in the Queens borough of New York.

Photographer: Bing Guan/Bloomberg

A highly shorted stock. A shrinking pool of shares available to trade. A price that keeps climbing.

They’re the classic signs of a painful short squeeze, and they’ve rapidly come into view for Avis Budget Group Inc.