chi-walgreens-rite-aid-merger (2) Walgreens recently picked up several thousand Rite Aid stores, keeping it the largest chain in the drugstore business.

CHICAGO—The US drugstore industry has undergone a lot of change in the past few years, including several major mergers and acquisitions, and other players could soon enter the market. But whatever uncertainty any of this has caused, cap rates for the largest chains remained relatively steady in 2017. And experts say those rates probably won’t change much in the coming year.