Taylor Swift’s “Patient Zero,” released September 25 as the lead single from *The Life of a Showgirl: The Encore*, drives the overwhelming 96% market-implied odds through record single-day Spotify streams as the top female-artist track of 2026 so far. The surprise four-track drop, heavy fan mobilization, and upcoming music-video premiere at the September 27 VMAs have fueled immediate streaming dominance that outpaces current US weekly leaders like Ella Langley’s “Choosin’ Texas.” Traders view the timing—capturing nearly a full tracking week—as decisive for the October 2 chart. An upset would require an unprecedented surge from holdovers or a sharp post-debut drop-off, both viewed as low-probability given Swift’s established streaming patterns and promotional tailwinds.