EBAY vs NTRA Comparison

Founded in 1995, eBay operates one of the world's largest online marketplaces, connecting buyers and sellers across more than 190 markets. In 2025, the firm generated $11.1 billion in revenue on nearly $80 billion of gross merchandise volume, serving 135 million active buyers and 18 million active sellers (users who closed at least one transaction in the past year). The firm monetizes its marketplace primarily through transaction fees and advertising, with 52% of revenue derived from the US and the remainder from international markets. In a bid to expand its reach among Generation Z and in the recommerce sector, eBay announced the $1.2 billion acquisition of fashion resale app Depop from Etsy in early 2026.

Natera Inc is a diagnostic and research company with proprietary molecular and bioinformatics technology. The company's key product offerings include its Panorama Non-Invasive Prenatal Test (NIPT) which screens for chromosomal abnormalities of a fetus as well as in twin pregnancies, typically with a blood draw from the mother, Horizon Carrier Screening (HCS) to determine carrier status for a large number of severe genetic diseases that could be passed on to the carrier's children, Signatera molecular residual disease (MRD) test, which detects circulating tumor DNA in patients previously diagnosed with cancer to assess molecular residual disease and monitor for recurrence; and Prospera, to assess organ transplant rejection.