KARACHI - No change was witnessed in dollar against rupee on Friday. Dollar was traded at highest rate of Rs 101.70 in open market. According to the details provided by the Forex Association of Pakistan, dollar traded at lowest rate of Rs 101.20 and highest rate of Rs 101.25 in inter bank while it was traded at minimum rate of Rs 101.50 and maximum rate of Rs 101.70 in cash free market.