
Floor and Examples
There are several meanings for a floor in finance. If interest rates stay above the floor, then there is no payout and the cost of the interest rate floor contract is foregone, but the lender is receiving a rate on the loan which is above the floor level. Now assume that the rate on the floating rate loan falls to 2%, which is below the interest rate floor contract level. Where trading occurs for corporations, such as banks or proprietary trading firms, is also referred to as a trading floor. An interest rate floor is often present through the issuing of an adjustable-rate mortgage (ARM), as it prevents interest rates from adjusting below a preset level.

What Is a Floor?
There are several meanings for a floor in finance. A floor may refer either to:
- the lowest acceptable limit as restricted by controlling parties, usually involved in the management of corporations. Floors can be established for a number of factors, including prices, wages, interest rates, underwriting standards, and bonds. Some types of floors, such as underwriting floors, act as mere guidelines while others, such as price and wage floors, are regulatory constraints that restrict the natural behavior of free markets.
- Interest rate floors are an agreed-upon rate in the lower range of rates associated with a floating rate loan product. Interest rate floors are utilized in derivative contracts and loan agreements. This is in contrast to an interest rate ceiling.
- Physical exchanges house trading floors, where floor traders and brokers engage in market transactions. Floors featured open-outcry trading located in trading pits. Physical floors have largely been replaced by computerized trading. Where trading occurs for corporations, such as banks or proprietary trading firms, is also referred to as a trading floor.




Understanding Floors
As a form of restriction, a floor provides a limit for a particular activity or transaction to which it must adhere. The floor functions as a lower limit, while a ceiling signifies the upper limit. The designated activity may be assigned anywhere from the lower to the upper limit, but is not considered acceptable if it falls below the floor level or goes above the ceiling level. This may cause deadweight loss.
Floors in Lending
Lenders use an underwriting floor to establish minimum guidelines for borrower creditworthiness and to determine the size of the loan for which the borrower is qualified. These limits are imposed by the financial institution performing the service of lending and can vary from one institution to the next. For example, a person may need to have a credit score above a specified level to qualify for a loan. That specified level is the floor.
The lowest available interest rate can also be seen as a floor, as a lower rate is not available from the particular institution. Often, this minimum is designed to cover any costs associated with processing and servicing the loan. An interest rate floor is often present through the issuing of an adjustable-rate mortgage (ARM), as it prevents interest rates from adjusting below a preset level.
Floors in Pricing
A price floor is the lowest amount at which a good or service may be sold and still function within the traditional supply and demand model. Prices below the price floor do not result in an appropriate increase in demand.
Price floors may also be set through regulation and result in a minimum price requirement for the good in question. For example, the government might decide to establish a price floor for carbon emissions, alcoholic beverages, or tobacco with the goal of lowering consumption to promote public health. In the absence of a price floor, the free market equilibrium price might be lower.
Floors in Wages
Minimum wage is an example of a wage floor and functions as a minimum price per hour that a worker must be paid, as determined by federal and state governments. An unintended consequence may be an increase in unemployment, as low-skilled workers are priced out of the labor market (although this claim remains unsettled among economists). What some economists do argue is that a failure to appropriately raise the minimum wage can lead to workers losing buying power over the long term as inflation lowers the true value of the wages being earned.
Trading Floors
Where people trade on an exchange is called a trading floor. Globally, exchange trading floors have largely gone electronic, so there are fewer and fewer exchange trading floors left in the world.
Businesses also have trading floors, and these are spaces where the trading for a business is conducted. At proprietary trading firms, multiple traders will often be in one room making trades. Currency exchange companies may also have a trading floor, along with banks, or companies involved in the buying and selling of commodities.
The floor of an exchange featured pits where open-outcry trading took place. These have largely been replaced by electronic markets and screen trading. The pit is a specific area of the trading floor that is designated for the buying and selling of a particular type of security through the open outcry system. In the pit, brokers match customers' buy and sell orders through shouting and hand signaling. Orders are displayed via the open outcry system to all traders in the pit in order to allow the chance for anybody to participate and to let people compete for the best price. Brokers and dealers trade their clients' orders as well as may place proprietary trades for their firms. Orders that are not executed in the pit are executed through electronic trading.
NYSE Trade Floor.
Skeeze/Pixabay.com (CC0-PD)
Real-World Example of a Floor in Interest Rates Products
Assume a lender has secured a floating rate loan but wants to buy some protection against lost income in case interest rates decline. To get this protection, they could buy an interest rate floor contract with a floor of 3% (or whatever level they choose).
Now assume that the rate on the floating rate loan falls to 2%, which is below the interest rate floor contract level. While the company is making less on the loan, the interest rate floor contract offsets the loss by providing them with a payout.
If interest rates stay above the floor, then there is no payout and the cost of the interest rate floor contract is foregone, but the lender is receiving a rate on the loan which is above the floor level.
Related terms:
Adjustable-Rate Mortgage (ARM)
An adjustable-rate mortgage is a type of mortgage in which the interest rate paid on the outstanding balance varies according to a specific benchmark. read more
Ceiling
In finance, a ceiling is the maximum permitted level in a financial transaction. The term can be applied to a variety of factors. read more
Deadweight Loss
A deadweight loss is a cost to society created by market inefficiency, which occurs when supply and demand are out of equilibrium. read more
e-CBOT
E-CBOT was an electronic trading platform allowing traders to transact in futures and options contracts listed on the Chicago Board of Trade (CBOT). read more
Free Market & Impact on the Economy
The free market is an economic system based on competition, with little or no government interference. read more
Interest Rate , Formula, & Calculation
The interest rate is the amount lenders charge borrowers and is a percentage of the principal. It is also the amount earned from deposit accounts. read more
Interest Rate Floor
An interest rate floor is an agreed upon rate in the lower range of rates associated with a floating rate loan product. read more
Law of Supply & Demand
The law of supply and demand explains the interaction between the supply of and demand for a resource, and the effect on its price. read more
Lender
A lender is an individual, a public or private group, or a financial institution that makes funds available to another with the expectation that the funds will be repaid. read more
London Metal Exchange (LME)
The London Metal Exchange (LME) is a commodities exchange in London that deals in metal futures contracts. read more