"BbY WOW" by KAROL G, Judeline, and rusowsky holds overwhelming trader consensus at 99.7% implied probability for the top Spotify Global song the week of September 11 because it has dominated daily and weekly charts since late August. The track posted multiple days above 6 million global streams, reached number one on the Billboard Global 200 with 42.3 million streams in a single tracking week, and maintains top positions across Latin American markets plus strong U.S. and European traction. Its rapid ascent from a mid-August debut, combined with critical praise as a catchy Latin-pop collaboration and sustained promotional momentum from Karol G’s Tropicoqueta era, has created a wide lead over older catalog tracks and newer releases. An upset would require an unprecedented late-week surge from a competitor, which remains unlikely given current streaming trajectories.