how producer price index ppi numbers are presented
the bls produces more than 10 000 product and industry price indexes each month which it then uses to calculate the ppi they re published with and without seasonal adjustments and are divided into three categories industry level classification commodity classification and first demand intermediate demand 11the ppi includes indexes for producer prices received in each of more than 500 industry categories based on output sold outside the industry the categories are compatible with those used in other releases to report industry level data on production employment earnings and productivity 11commodity classification disregards the producer s industry to group output based on the nature of the product or service the ppi report publishes more than 3 800 commodity price indexes for goods and some 900 for services 11the first demand intermediate demand indexes use the commodity indexes organized by product to measure producer prices based on the economic identity of the buyers and whether the goods sold require further processing the ppi report publishes more than 600 fd id indexes the final demand indexes as distinct from the intermediate demand ones are then used to arrive at the headline ppi number which reflects the ppi for final demand 11