Mega-hits like Karol G, Judeline & rusowsky's “BbY WOW” experience rapid ascent followed by modified exponential decay.
The formula models daily streams as:
S(t) = Peak × (Floor% + (1 - Floor%) × 2^(-(t - t_peak) / HalfLife)) × WeekendFactor(t)
Songs with heavy playlist additions (Today's Top Hits, Viva Latino) maintain an elongated half-life of 55–85 days, while viral-only TikTok spikes frequently experience decay half-lives under 25 days.
To hold #1 on Global Spotify, tracks typically must clear 4.5M to 6.5M filtered daily streams depending on seasonal competition (holiday surges require up to 8M+).
Collaborative hits involve multi-party master and publishing splits. This simulator computes exact dollar shares based on the effective blended stream rate ($0.0030 to $0.0045/stream across major Western and Latin American territories).