Time series

Daily price index finwire (finwire_daily_price_index)

Experimental daily index of online shelf prices of a fixed basket of everyday food, drinks, household and personal care products in three Polish online shops (Frisco.pl, Rossmann.pl, sklep.stokrotka.pl; zakupy.biedronka.pl until 10 November 2026): prices per kg, litre or piece, geometric mean of price relatives within COICOP 2018 subclasses (Jevons), subclasses weighted with the GUS CPI weights, annual chain in December, last price carried up to 28 days, then a substitute from the same subclass. Base month = 100. Daily series with basket categories, monthly readings with month-on-month change, the food part compared with GUS CPI food and non-alcoholic beverages for the same month, collection state and the basket list (generic product names and pack sizes). Online prices only, not CPI; no prices of single products or shops are published.