The October 2016 North American Trade Tree Online pulp price indices are all lower, reflecting U.S. spot transactions completed between Sept. 16, 2016 and Oct. 15, 2016. The following table of October pulp price indices compare 2015 and 2016 prices for NBSK (northern bleached softwood kraft ) pulp, SBSK (southern bleached softwood kraft ) pulp, and BHK (bleached hardwood kraft) pulp.