In North China today, spot #1 copper cathode prices against the front-month contract were at a discount of 150-90 yuan/mt, averaging a discount of 120 yuan/mt, down 10 yuan/mt from the previous trading day. Transaction prices ranged from 85,750 to 86,070 yuan/mt, with an average of 85,910 yuan/mt, up 85 yuan/mt from the previous trading day.