RBC Capital's Matthew Swanson has a price target of $56 for PubMatic (NASDAQ: PUBM), which implies a whopping 127% upside. Credit Suisse's (NYSE:CS) Timothy Chiodo has an even brighter outlook on Riskified (NYSE: RSKD) in the short term with a price target of $22, implying 249% upside. PubMatic is on the sell side of the advertising technology (adtech) space, helping publishers -- companies that sell ad space -- get the best results.