The index measures price changes (as a percent change) from a predetermined reference date. To calculate the index, price changes are averaged with weights representing their importance in the spending of the particular group. Prices are collected monthly from about 4,000 housing units and approximately 26,000 retail establishments across 87 urban areas. The CPIs are based on prices for food, clothing, shelter, and fuels transportation fares service fees (e.g., water and sewer service) and sales taxes. This particular index includes roughly 88 percent of the total population, accounting for wage earners, clerical workers, technical workers, self-employed, short-term workers, unemployed, retirees, and those not in the labor force. It can also represent the buying habits of urban consumers. The most common inflation metric is the percent change from one year ago.

Percent changes in the price index measure the inflation rate between any two time periods. The Consumer Price Index for All Urban Consumers: All Items (CPIAUCSL) is a price index of a basket of goods and services paid by urban consumers. ICE, its affiliates and Third Party Suppliers accept no liability in connection with its use.Д¬opyright, 2017, ICE Benchmark Administration. The index data referenced herein is the property of ICE Data Indices, LLC, its affiliates, ('ICE') and/or its Third Party Suppliers and has been licensed for use by the Federal Reserve Bank of St. When the last calendar day of the month takes place on the weekend, weekend observations will occur as a result of month ending accrued interest adjustments. An OAS index is constructed using each constituent bond's OAS, weighted by market capitalization. The ICE BofA OASs are the calculated spreads between a computed OAS index of all bonds in a given rating category and a spot Treasury curve. This subset includes all securities with a given investment grade rating CCC or below. This data represents the Option-Adjusted Spread (OAS) of the ICE BofA US Corporate C Index, a subset of the ICE BofA US High Yield Master II Index tracking the performance of US dollar denominated below investment grade rated corporate debt publicly issued in the US domestic market. Inflation compensation: Inflation compensation reflects adjustments for the effects of inflation to the principal of inflation-indexed securities. Notes and bonds, inflation-indexed: The current face value of the Federal Reserve's outright holdings of inflation-indexed Treasury notes and bonds. Notes and bonds, nominal: The current face value of the Federal Reserve's outright holdings of nominal Treasury notes and bonds. FRBNY's purchases or sales in the secondary market are conducted only through primary dealers.Д«ills: The current face value of the Federal Reserve's outright holdings of Treasury bills.

Treasury securities by the Federal Reserve Bank of New York (FRBNY) are made in the secondary market, or with various foreign official and international organizations that maintain accounts at the Federal Reserve. This total is broken out in the lines below. Treasury securities held by the Federal Reserve.

International currency rates