Young guy in the canned aisles

Supermarket prices fall back in September

Supermarket prices edged back into deflation last month for the first time since April, according to the latest Grocer Price Index.

The Grocer Price Index - Categories
The Grocer Price Index - Retailers

The GPI tracks pricing of more than 70,000 grocery products using a 12-month chained index. The index was set at 100 in September 2008. The average does not include Waitrose. The GPI is compiled by Brand View.