/

Hypothesis Testing

Hypothesis Testing

A mathematical test used to determine whether a claim is true or false.

A mathematical test used to determine whether a claim is true or false.

More terms

Custodian bank

Learn what a custodian bank is.

Stock Exchange

A physical/digital place where stockbrokers and traders can buy and sell securities.

Ponzi Scheme

A form of fraud designed to lure new investors, and pays the earlier backers by using the new investors' money.

Dirty price

The total price payable on the purchase of a gilt. It’s calculated as the clean price plus accrued interest.

Fundamentals

The data or information that is likely to impact a company's stock price.

Unicorn

A startup valued at over £1 billion. They are rare, hence the name.

Rate of Return

Profit on an investment, expressed as a percentage of the investment.

Investment Trust

A company that pools money together from multiple investors and then invests it.

LSE

London Stock Exchange, which was founded in 1571 and now has a market cap of almost $5 trillion.

You’re just minutes away from commission-free investing

When you invest, your capital is at risk

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.