Dictionary
/
Retail Prices Index (RPI)

Retail Prices Index (RPI)

An index published each month by the Office for National Statistics, which measures the level of retail prices in the UK. Cash flows on all index-linked gilts are linked to the RPI.

More terms

Earnings per share

We look at what earnings per share mean and how to calculate it
Read more

Volatility

A measure of how much the prices of an asset or index vary over time.
Read more

Venture Capital

A type of financing that investors provide to startups, who sometimes announce getting said financing in TechCrunch, to big fanfare.
Read more

Diversification

An investment strategy in which money is put into a variety assets.
Read more

Interest Rate

The amount a lender charges for lending your money, or a borrower pays you for borrowing your money.
Read more

Growth stocks

These are stocks in companies that are considered to be “growing”. These companies may be delivering new products and services, or entering new markets.
Read more

After-hours trading

Trading outside of a stock exchange's opening hours.
Read more

Alpha

The percentage by which an investor outperforms a relevant benchmark.
Read more

Investment Return

The amount of money made or lost from an investment. Usually expressed as a percentage.
Read more

You’re just minutes away from commission-free investing

open an isa
When you invest, your capital is at risk

Freetrade is your gateway to commission-free investing. Join over 1.6 million users using the Best online trading platform, as voted at the British Bank Awards for six years running.

Accounts
Customer Support
Resources
Company
Important information

Freetrade does not provide investment advice and individual investors should make their own decisions or seek professional advice. The value of investments can go down as well as up and you may receive back less than your original investment. Freetrade is a trading name of Freetrade Limited, which is a member firm of the London Stock Exchange and is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales (no. 09797821).

© 2026 Freetrade, All rights reserved. The Apple logo is a trademark of Apple Inc. App Store is a service mark of Apple Inc. Google Play and the Google Play logo are trademarks of Google LLC.

Follow us on