Ballard Group 1 BigY Time Tree: https://discover.familytreedna.com/groups/ballard/tree?subgroups=302442
Results indicate undiscovered branches off BY3536 and FTB32484. Testing a closer male relative is recommended to match Private Variants (PVs). Branch R-BY3536 and R-FTB32484 both have a potential to split into 3 more branches. (both average 3 PV's and each PV averages about 84 years on the time line)

R-M269 > R-L23 > R-L51 > R-P310 > R-L151 > R-P312 > R-Z290 > R-L21 > R-S552 > R-DF13 > R-FGC11134 > R-FGC12055 > R-Z3026 > R-Z16250 > R-A114 > R-CTS4466/S1136 > R-S1115 > R-FGC84010 > R-A541 > R-S1121 > R-Z16252 > R-Z18170 > R-FGC29280 > R-BY3524 > R-BY3536 > R-FTB32484 > R-BY61223

UPDATED WEEKLY, use above links.