One of the most popular Romeo Santos shows of 2018 was Thursday February 15th at Madison Square Garden. Interest for that show peaked in the days leading up to the event and ticket prices declined during that time.
Across all Romeo Santos shows in 2018, interest was strongest right when the shows were announced and tickets went on sale. Meanwhile, ticket prices typically fell about 35 - 40% from the date a show was announced until the days leading up to the show.