Magnite is no longer a diversified digital-ad exchange waiting for connected television to matter. Streaming already supplies more than half of contribution, and the second-quarter print showed almost all of the incremental economics coming from that channel. The investment debate is whether SpringServe has turned the company into the independent operating system for programmatic television, or whether the equity is still a cyclical sell-side platform whose open-web half is slowly shrinking. Contribution excluding traffic acquisition cost, the preferred net-fee measure, grew faster than headline revenue because managed-service gross bookings continue to fade.
Connected-television contribution rose 36% and now accounts for 51% of the stack. Display-and-video-plus, the catch-all for everything that is not streaming, returned to a 2% gain after a first-quarter decline, which is better than the further contraction management had guided. Adjusted EBITDA expanded to a 37% margin as incremental streaming fees landed on a platform whose hosting and personnel costs grew more slowly than contribution. Almost the entire year-over-year lift in contribution came from streaming, so the open-web recovery is still a stabilizer rather than a second engine.
Management raised four full-year targets and still left any Google-remedy share gains out of the outlook. The next several prints decide whether connected-television growth stays in the thirties or fades toward the high twenties already implied by the third-quarter guide. At about $25 the shares sit near the top of the past year's range, which means the market is already paying for a durable streaming mix rather than for a one-quarter beat.