A Fibonacci retracement is a key technical analysis tool that uses percentages and horizontal lines, drawn onto price charts, to identify possible areas of support and resistance. Identifying these areas is useful to traders since it can help them decide when to open and close a position, or when to apply stops and limits to their trades.

A fiat currency is a national currency that is not pegged to the price of a commodity such as gold or silver. The value of fiat money is largely based on the public’s faith in the currency’s issuer, which is normally that country’s government or central bank.

The Federal Reserve bank, or the ‘Fed’ for short, is the central bank in charge of monetary and financial stability in the United States. It is part of a wider system – known as the Federal Reserve System – with 12 regional central banks located in major cities across the US.

Fair value has two meanings to investors. Generally, it is used to mean the value attributed to stock by an individual investor or broker but in futures trading, it can refer to the predicted price of a market which is reflected in the cost to open a position.

In trading, exposure is a general term that can mean three things: the total market value of your trades at open, the total amount of possible risk at any given point, or the portion of a fund invested in a particular market or asset.

An exchange is an open, organized marketplace for commodities, stocks, securities, derivatives, and other financial instruments. The terms' exchange and market are often used interchangeably, as they both describe an environment in which listed products can be traded.

Exchange-traded products, or ETPs, are a variety of financial instruments that are traded throughout the day on national exchanges.

ETF stands for exchange-traded funds, a type of investment security that is bought and sold on exchanges.