Is “Compersion” the Opposite of Jealousy?

“Is compersion the opposite of jealousy? This has been the assumption that most relationship scientists have made up until now. However, Balzarini and colleagues argue instead that jealousy and compersion aren’t opposites, but instead are two separate emotions that can even be both experienced at the same time.” https://www.psychologytoday.com/us/blog/talking-apes/202109/is-compersion-the-opposite-jealousy