100% of their playlist can not be pulled from the Billboard Hot 100 since it is mandated to play 35% CanCon as well as no more than 49.9% hits. Have you been listening to the correct station?Jump has been playing a more repetitive pure top40 style playlist. If you listen for more than a few hours it feels way more repetitive than their competitors, but that means more people who tune in at any given moment will hear a current chart topper. 100% of their playlist is pulled from the billboard hot 100 charts.
32. The latest charts used to determine hits will be those contained in publications dated up to and including two Saturdays before the date of broadcast. Canadian selections that enter the Top 40 will continue to be considered as non-hits for one year from the date they first enter the Top 40. In addition, selections performed and aired live, or contained in a live performance recorded primarily for broadcast use will not be counted as hits.