Tracks: US oilfield services (SLB, HAL, BKR).
VanEck Oil Services ETF (OIH) seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the MVIS US Listed Oil Services 25 Index (MVOIHTR), which is intended to track the overall performance of U.S.-listed companies involved in oil services to the upstream oil sector, which include oil equipment, oil services, or oil drilling.
VanEck Oil Services ETF · Issued by VanEck

On paper, this should have been a clean win. Oil prices surged on geopolitical tensions around the Strait of Hormuz.