Its because invester have now seen positive outcome of two versions of PSL.
Also most expensive teams never been to finals but somehow it is shown that which city team is sold on higest price and how much credible players they used.
Team Multan – 5.2 Million USD
Karachi Kings – 2.6 Million USD
Lahore Qalandars – 2.5 Million USD
Peshawar Zalmi – 1.6 Million USD
Islamabad United – 1.5 Million USD
Quetta Gladiators – 1.1 Million USD
(Above mentioned prices are Per Year)