Industry WIKI

Since late February 2026, the closure of the Strait of Hormuz during the 2026 Iran war disrupted roughly 20 percent of the world's oil supply, triggering a global economic downturn and fuel shortages. The Philippines, which imports most of its oil from the Middle East, was particularly vulnerable to supply disruptions because of its heavy dependence on imported petroleum.

The absolute return or simply return is a measure of the gain or loss on an investment portfolio expressed as a percentage of invested capital. The adjective "absolute" is used to stress the distinction with the relative return measures (often used by long-only stock funds) that are based on comparison to a benchmark.

In accounting, liquidity (or accounting liquidity) is a measure of the ability of a debtor to pay their debts as and when they fall due. It is usually expressed as a ratio or a percentage of current liabilities. Liquidity is the ability to pay short-term obligations.

The accounting rate of return, also known as average rate of return, or ARR, is a financial ratio used in capital budgeting. The ratio does not take into account the concept of time value of money. ARR calculates the return, generated to net income of the proposed capital investment. The ARR is a percentage return. Say, if ARR = 7%, then it means that the project is expected to earn seve

A variable-rate mortgage, adjustable-rate mortgage (ARM), or tracker mortgage is a mortgage loan with the interest rate on the note periodically adjusted based on an index which reflects the cost to the lender of borrowing on the credit markets. The loan may be offered at the lender's standard variable rate/base rate. There may be a direct and legally defined link to the underlying inde

Affirm Holdings, Inc. is an American financial technology company and a point-of-sale lender. Founded in 2012 by PayPal co-founder Max Levchin, it is the largest U.S. based buy now, pay later (BNPL) financier. As of 2026, Affirm reports nearly 28 million users and processes $50 billion in annual payments.

At the 2025 The Hague NATO summit, member states pledged to increase defence spending to five percent of GDP in what is called The Hague Investment Plan.

Annual percentage rate of charge (APR), corresponding sometimes to a nominal APR and sometimes to an effective APR (EAPR), is the interest rate for a whole year (annualized), rather than just a monthly fee/rate, as applied on a loan, mortgage loan, credit card, etc. It is a finance charge expressed as an annual rate. Those terms have formal, legal definitions in some countries or legal j

Apple Wallet (or simply Wallet, known as Passbook prior to iOS 9) is a digital wallet developed by Apple Inc. and included with iOS and watchOS that allows users to store Wallet passes such as coupons, boarding passes, student ID cards, government ID cards, business credentials, resort passes, car keys, home keys, event tickets, public transportation passes, store cards, and – starting w

The Argentine debt restructuring is a process of debt restructuring by Argentina that began on January 14, 2005, and allowed it to resume payment on 76% of the US$82 billion in sovereign bonds that defaulted in 2001 at the depth of the worst economic crisis in the nation's history. A second debt restructuring in 2010 brought the percentage of bonds under some form of repayment to 93%, t

Asset allocation is the implementation of an investment strategy that attempts to balance risk versus reward by adjusting the percentage of each asset in an investment portfolio according to the investor's risk tolerance, goals and investment time frame. The focus is on the characteristics of the overall portfolio. Such a strategy contrasts with an approach that focuses on individual as

Bank reserves are a commercial bank's cash holdings physically held by the bank, and deposits held in the bank's account with the central bank. In most countries, the central bank may set minimum reserve requirements that mandate commercial banks under their purview to hold cash or deposits at the central bank equivalent to at least a prescribed percentage of their liabilities, such as c

A basis point (often abbreviated as bp, often pronounced as "bip" or "beep") is one hundredth of 1 percentage point. Changes of interest rates are often stated in basis points. For example, if an existing interest rate of 10 percent is increased by 1 basis point, the new interest rate would be 10.01 percent.

Capital Adequacy Ratio (CAR) also known as Capital to Risk (Weighted) Assets Ratio (CRAR), is the ratio of a bank's capital to its risk-weighted assets (or credit exposure). National regulators track a bank's CAR and ensure it complies with statutory capital requirements to verify it can absorb a reasonable amount of loss (default of loans) without collapsing. The enforcement of regulate

Cash App (formerly Square Cash) is a digital wallet for American consumers. Launched by Block, Inc., in 2013, it allows users to send, receive, and save money; access debit cards; invest in stocks and bitcoin; apply for personal loans; and file taxes. As of 2024, Cash App reports 57 million users and $283 billion in annual inflows.

Celsius Network LLC was a cryptocurrency company. Headquartered in Hoboken, New Jersey, Celsius maintained offices in four countries and operated globally. Users could deposit a range of cryptocurrency digital assets, including Bitcoin and Ethereum, into a Celsius wallet to earn a percentage yield, and could take out loans by pledging their cryptocurrencies as security. As of May 2022, t

A central bank, reserve bank, national bank, state bank, or monetary authority is a financial institution that manages the monetary policy of a country or monetary union. In contrast to a commercial bank, a central bank possesses a monopoly on increasing the monetary base. Many central banks also have supervisory or regulatory powers to ensure the stability of commercial banks in their j

Central bank independence refers to the degree of autonomy and freedom a central bank has in conducting its monetary policy and managing the financial system and inflation targeting. The purpose of central bank independence is to maintain price stability, enhance the effectiveness of monetary policy, and ensure the stability of the financial system. Independent central banks have more cr

The Central Bank of Honduras (Spanish: Banco Central de Honduras) is the central bank of Honduras, established in 1950. The president of the bank is appointed by President of Honduras for a term of four years.

The Central Reserve Bank of Peru (Spanish: Banco Central de Reserva del Perú; BCRP) is the Peruvian central bank. It mints and issues metal and paper money, the sol.

The Chinese Banking Liquidity Crisis of 2013 was a sudden credit crunch affecting China's commercial banks evidenced by a rapid rise on 20 June 2013 in the Shanghai interbank overnight lending rates to a high of 30 percent from its usual rate of less than 3%. The ensuing panic affected gold markets and stock. China's regulation of the foreign exchange market had caused a decline in inflo

In lending agreements, collateral is a borrower's pledge of specific property to a lender, to secure repayment of a loan. The collateral serves as a lender's protection against a borrower's default and so can be used to offset the loan if the borrower fails to pay the principal and interest satisfactorily under the terms of the lending agreement.

A commission is a form of variable-pay remuneration for services rendered or products sold. Commissions are a common way to motivate and reward salespeople. Commissions can also be designed to encourage specific sales behaviors. For example, commissions may be reduced when granting large discounts. Or commissions may be increased when selling certain products the organization wants to pr

Compound interest or anatocism is interest accumulated from a principal sum and previously accumulated interest. It is the result of reinvesting or retaining interest that would otherwise be paid out, or of the accumulation of debts from a borrower.

In the United States secondary mortgage market, the Constant Maturity Mortgage (CMM) rate is a financial index representing the theoretical yield of a par value agency residential mortgage-backed security (agency RMBS). Unlike the constant-maturity treasury (CMT) which reflects government borrowing costs, the CMM reflects the yield required by investors to transact agency RMBS (such as t

In economics, consumer debt is the amount owed by consumers (as opposed to amounts owed by businesses or governments). It includes debts incurred on purchase of goods that are consumable and/or do not appreciate. In macroeconomic terms, it is debt which is used to fund consumption rather than investment.

The consumer leverage ratio (CLR) is the ratio of total household debt to disposable personal income. The Federal Reserve separately reports household debt service payments as a percentage of disposable personal income. The Bureau of Economic Analysis publishes disposable personal income data.

Credit (from Latin creditum, "loan") is the trust which allows one party to provide money or resources to another party wherein the second party does not reimburse the first party immediately (thereby generating a debt), but promises either to repay or return those resources (or other materials of equal value) at a later date. The resources provided by the first party can be either prope

A credit card (or charge card) is a payment card, usually issued by a bank, allowing the card's users to purchase goods and services, or withdraw cash on credit. Card use thereby accrues debt that must be repaid later.

Credit card debt results when a client of a credit card company purchases an item or service through the card system. Debt grows through the accrual of interest and penalties when the consumer fails to repay the company for the money they have spent.

Credit counseling (known in the United Kingdom as debt counseling) is a process used to help individual debtors overcome their debt through financial education, budgeting, debt management plans (DMPs) – known in the United Kingdom as the individual voluntary arrangement (IVA) – and a variety of other tools with the goal of reducing and ultimately eliminating debt.

A credit history is a record of a borrower's responsible repayment of debts.

Debit card cashback (known as cashback at the tills in the United Kingdom, and as cash out in Australia and New Zealand), is a service offered to retail customers whereby an amount is added to the total purchase price of a transaction paid by debit card and the customer receives that amount in cash along with the purchase. For example, a customer purchasing $18.99 worth of goods at a su

A debt buyer is a company, sometimes a collection agency, a private debt collection law firm, or a private investor, that purchases delinquent or charged-off debts from a creditor or lender for a percentage of the face value of the debt based on the potential collectibility of the accounts. The debt buyer can then collect on its own, utilize the services of a third-party collection agenc

Debt collection or cash collection is the process of pursuing payments of money or other agreed-upon value owed to a creditor. The debtors may be individuals or businesses. An organization that specializes in debt collection is known as a collection agency or debt collector. Most collection agencies operate as agents of creditors. They collect debts for a fee or percentage of the total a

Debt management plan (DMP) is an agreement between a debtor and a creditor that addresses the terms of an outstanding debt. This commonly refers to a personal finance process of individuals addressing high consumer debt. Debt management plans help reduce outstanding, unsecured debts over time to help the debtor regain control of finances. The process can secure a lower overall interest r

In the consumer mortgage industry, debt-to-income ratio (DTI) is the percentage of a consumer's monthly gross income that goes toward paying debts. (Speaking precisely, DTIs often cover more than just debts; they can include principal, taxes, fees, and insurance premiums as well. Nevertheless, the term is a set phrase that serves as a convenient, well-understood shorthand.) There are two

At the micro-economic level, deleveraging refers to the reduction of the leverage ratio, or the percentage of debt in the balance sheet of a single economic entity, such as a household or a firm. It is the opposite of leveraging, which is the practice of borrowing money to acquire assets and multiply gains and losses.

Discount policy is a policy tool used by central banks to control the money in circulation by raising or lowering interest rates.

In macroeconomics, discretionary policy is an economic policy based on the ad hoc judgment of policymakers as opposed to policy set by predetermined rules. For instance, a central banker could make decisions on interest rates on a case-by-case basis instead of allowing a set rule, such as Friedman's k-percent rule, an inflation target following the Taylor rule, or a nominal income targe

The dividend yield of a share is the ratio of annualised cash dividends to the share's current market price. It is usually expressed as a percentage and is commonly calculated by dividing the annual dividend per share by the current share price.

The effective interest rate (EIR), effective annual interest rate (EAR), annual equivalent rate (AER) or simply effective rate is the percentage of interest on a loan or financial product if compound interest accumulates in periods different than a year. It is the compound interest payable annually in arrears, based on the nominal interest rate. It is used to compare the interest rates b

Equity release is a later-life housing finance product in the United Kingdom that allows homeowners to access money tied up in their home equity while continuing to live in the property. The most common forms are lifetime mortgages and home reversion plans. The loan and interest are repaid from the sale of the home after the borrower dies or moves into long-term care. In other countries

An extended warranty, sometimes called a service agreement, a service contract, or a maintenance agreement, is a prolonged warranty offered to consumers in addition to the standard warranty on new items. The extended warranty may be offered by the warranty administrator, the retailer or the manufacturer. Extended warranties cost extra and for a percentage of the item's retail price. Some

The finances of the British royal family come from a number of sources. The monarch and some of his family are supported financially by means of the Sovereign Grant, which comes from the government and is calculated as a percentage of profits from the Crown Estate, and which is intended to meet the costs of the sovereign's official expenditures. This includes the costs of the upkeep of t

The Financial Stability Forum (FSF) was a group consisting of major national financial authorities such as finance ministries, central bankers, and international financial bodies. It was first convened in April 1999 in Washington. At the 2009 G20 London summit, the G20 nations established a successor to the FSF, called the Financial Stability Board with an expanded membership and broaden

Fiscal dominance is a macroeconomic condition in which government fiscal pressures (high public debt and deficits) effectively dictate or constrain a country’s monetary policy. In a fiscally dominant regime, the central bank’s usual objective of controlling inflation becomes secondary to the Treasury’s budget financing needs, often leading the central bank to accommodate government borro

In accounting and finance, flat interest rate mortgages and loans calculate interest based on the amount of money a borrower receives at the beginning of the loan. However, if repayment is scheduled to occur at regular intervals throughout the term, the average amount to which the borrower has access is lower and so the effective or true rate of interest is higher. Only if the principa

In finance, flipping is purchasing an asset to quickly resell (or "flip") it for profit. Within the real estate industry, the term is used by investors to describe the process of buying, rehabilitating, and selling properties for profit. In 2017, 207,088 houses or condos were flipped in the US, an 11-year high. That number represents 5.9 percent of all single-family properties sold durin

Forward guidance is a tool used by a central bank to exercise its power in monetary policy in order to influence, with their own forecasts, market expectations of future levels of interest rates.

Fractional-reserve banking is the system of banking under which banks that take deposits from the public keep only part of their deposit liabilities in liquid assets as a reserve, and lend a percentage to borrowers, thus increasing the money supply by the loaned amount. Bank reserves are held as cash in the bank or as balances in the bank's account at the central bank. Fractional-reserv

The Friedman rule is a monetary policy rule proposed by Milton Friedman. Friedman advocated monetary policy that would result in the nominal interest rate being at or very near zero. His rationale was that the opportunity cost of holding money faced by private agents should equal the social cost of creating additional fiat money. Assuming that the marginal cost of creating additional mon

In January 2021, a short squeeze of the stock of the American video game retailer GameStop and other securities took place, causing major financial consequences for certain hedge funds and large losses for short sellers. Approximately 140 percent of GameStop's public float had been sold short, and the rush to buy shares to cover those positions as the price rose caused it to rise even fu

The gender pension gap (also known as the sex pension gap) is the percentage difference in pension income between women and men. It is often calculated as the difference between the average man's pension and the average woman's pension, expressed as a percentage of the man's. The gap averages 26% across OECD countries.

George Soros (born Schwartz György; August 12, 1930) is a Hungarian and American investor and philanthropist. As of September 2026, he had a net worth of US$8.6 billion. Soros has donated more than $32 billion to the Open Society Foundations. In 2020, Forbes called Soros the "most generous giver" in terms of percentage of net worth.

Global Trading Systems, which uses the trade name GTS, is an American proprietary trading and market making firm headquartered in New York. The firm accounts for 3 to 5 percent of the daily turnover of US equities and has handled over 250 IPO listings since 2013.

Headline inflation is a statistical measure of aggregate price movement within an economy, usually expressed as percentage change in the Consumer Price Index (or other price indices) over a specific time period. It is typically measured using a comprehensive array of goods and services, including commercial products such as food and energy (e.g., oil and gas), which tend to be much more

Helicopter money is a proposed monetary policy for inflation targeting, sometimes suggested as an alternative to quantitative easing (QE) when the economy is in a liquidity trap (when interest rates near zero and the economy remains in recession). Although the original idea of helicopter money describes central banks making payments directly to individuals, economists have used the term

Home equity is the homeowner's financial interest in their property, calculated as the difference between the property's current market value and the total outstanding balances of all loans secured by the home.

Home equity investments (HEI) are financial products that allow homeowners to access their home equity as a lump sum without incurring monthly payments. They first emerged around 2015 and function by enabling investors to purchase a minority stake in a homeowner's property for a predetermined duration. In return, investors receive either a percentage of the home's future market value or

A home equity line of credit (HELOC; /ˈhe̞ːˌlɒk/ HEE-lok) is a revolving type of secured loan in which the lender agrees to lend a maximum amount within an agreed period (called a term), where the collateral is the borrower's property (akin to a second mortgage). Because a home often is a consumer's most valuable asset, many homeowners use their HELOC for major purchases or projects, suc

A home equity loan is a type of loan in which the borrowers use the equity of their home as collateral. The loan amount is determined by the value of the property, and the value of the property is determined by an appraiser from the lending institution.

This aims to be a complete list of the articles on real estate.

An interest rate is the amount of interest due per period, as a proportion of the amount lent, deposited, or borrowed. Interest rate periods are ordinarily a year and are often annualized when not. Alongside interest rates, three other variables determine total interest: principal sum, compounding frequency, and length of time.

In finance, a loan is the tender of money by one party to another with an agreement to pay it back. The recipient, or borrower, incurs a debt and is usually required to pay interest for the use of the money.

Magic formula investing is an investment technique outlined by Joel Greenblatt that uses the principles of value investing.

In the investment advisory industry, a management fee is a periodic payment that is paid by an investment fund to the fund's investment adviser for investment and portfolio management services. Often, the fee covers not only investment advisory services, but administrative services as well. Usually, the fee is calculated as a percentage of assets under management.

Microcredit is the extension of very small loans (microloans) to borrowers with limited access to traditional credit who typically do not have access to traditional banking services due to a lack of collateral, steady employment, and a verifiable credit history. The primary aim of microcredit is to support entrepreneurship, facilitate self-employment, and alleviate poverty, particularly

Microfinance is the provision of financial services to individuals and small businesses, particularly those with low incomes and limited access to conventional banking and related financial services. It encompasses services such as microcredit, savings, checking accounts, microinsurance, and payment systems.

Monetary sovereignty is the power of the state to exercise exclusive legal control over its currency and monetary policy. This includes the authority to designate a country's legal tender, control the money supply, set interest rates, and regulate financial institutions. Monetary sovereignty is crucial for national sovereignty, economic independence, and policy autonomy.

A monetary system is a system where a government manages money in a country's economy. Modern monetary systems usually consist of a national treasury, a mint, central banks and commercial banks.

The National Bank of Panama (Spanish: Banco Nacional de Panamá, BNP) is one of two Panamanian government-owned banks. As of January 2009, it held deposits of about US$5 billion. The other government-owned bank is Caja de Ahorros de Panamá (Savings Bank of Panama), with about US$1 billion in total deposits.

In commercial real estate leases in the United States, the tenant, rather than the landlord, is usually responsible for real estate taxes, maintenance, and insurance. In a "net lease", in addition to base rent, the tenant or lessee is responsible for paying some or all of the recoverable expenses related to real-estate ownership. As the rent collected under a net lease is "net" after exp

In finance and economics, the nominal interest rate or nominal rate of interest is the rate of interest stated on a loan or investment, without any adjustments for inflation.

In macroeconomics, an open market operation (OMO) is an activity by a central bank to exchange liquidity in its currency with a bank or a group of banks. The central bank can either transact government bonds and other financial assets in the open market or enter into a repurchase agreement or secured lending transaction with a commercial bank. The latter option, often preferred by centra

In business, operating margin—also known as operating income margin, operating profit margin, EBIT margin and return on sales (ROS) - is the ratio of operating income ("operating profit" in the UK) to net sales, usually expressed in percent.

The following outline provides an overview and topical guide to finance:

An overdraft occurs when something is withdrawn in excess of what is in a current account. For financial systems, this can be funds in a bank account. In these situations the account is said to be "overdrawn". In the economic system, if there is a prior agreement with the account provider for an overdraft, and the amount overdrawn is within the authorized overdraft limit, then interest i

In finance, partial return reverse swap (PRRS) is a type of derivative swap, a financial contract that transfers a percentage of both the credit risk and market risk of an underlying asset, usually half, while also transferring all of the ownership liabilities for estate planning, tax purposes, and insider trading rules.

A pawnbroker is an individual who offers secured loans to people by taking items of personal property as collateral. A pawnbrokering entity is called a pawnshop or pawnbrokerage. While many items can be pawned, pawnshops typically accept jewelry, musical instruments, coins, gold, silver and firearms. Home-audio equipment, computers, video-game systems, televisions, cameras, and power t

A payday loan is a short-term unsecured loan, often characterized by high interest rates. These loans are typically designed to cover immediate financial needs and are intended to be repaid on the borrower's next payday.

Payday loans in the United Kingdom are typically small value (up to £1,500) and for short periods. Payday loans are often used as a term by members of the public (and commentators) generically to refer to all forms of high-cost short-term credit (HCSTC) including instalment loans, e.g. 3–9 month products, rather than just loans provided until the next pay day.

A payday loan (also called a payday advance, salary loan, payroll loan, small dollar loan, short term, or cash advance loan) is a small, short-term unsecured loan, "regardless of whether repayment of loans is linked to a borrower's payday." The loans are also sometimes referred to as "cash advances," though that term can also refer to cash provided against a prearranged line of credit su

A payroll tax may be imposed on employers or employees. They are usually calculated as a percentage of the salaries that employers pay their employees. By law, some payroll taxes are the responsibility of the employee and others fall on the employer, but almost all economists agree that the true economic incidence of a payroll tax is unaffected by this distinction, and falls largely or e

Personal finance is the financial management that an individual or a family unit performs to budget, save, and spend monetary resources in a controlled manner, taking into account various financial risks and future life events.

Personal income is an individual's total earnings from wages, investment interest, and other sources. The Bureau of Labor Statistics reported that median usual weekly earnings for full-time wage and salary workers were $1,251 in the second quarter of 2026, not seasonally adjusted, 4.6 percent higher than a year earlier. For the year 2024, the U.S. Census Bureau estimates that the median

Predatory lending refers to unethical practices conducted by lending organizations during a loan origination process that are unfair, deceptive, or fraudulent. While there are no internationally agreed legal definitions for predatory lending, a 2006 audit report from the office of inspector general of the US Federal Deposit Insurance Corporation (FDIC) broadly defines predatory lending a

Price stability occurs when average consumer prices for goods and services are constant over time, or when they are rising at a low and predictable rate. It is a goal of monetary and fiscal policy aiming to support sustainable rates of economic activity. Policy is set to maintain a very low rate of inflation or deflation. For example, the European Central Bank (ECB) describes price s

The prime rate or prime lending rate is an interest rate used by banks, typically representing the rate at which they lend to their most creditworthy customers. Some variable interest rates may be expressed as a percentage above or below prime rate.

A private student loan is a financing option for higher education in the United States that can supplement, but should not replace, federal loans, such as Stafford loans, Perkins loans and PLUS loans. Private loans, which are heavily advertised, do not have the forbearance and deferral options available with federal loans (which are never advertised). In contrast with federal subsidized

Profit margin is a financial ratio that measures the percentage of profit earned by a company in relation to its revenue. Expressed as a percentage, it indicates how much profit the company makes for every dollar of revenue generated. Profit margin is important because this percentage provides a comprehensive picture of the operating efficiency of a business or an industry. All margin ch

Quantitative tightening (QT) is a contractionary monetary policy tool applied by central banks to decrease the amount of liquidity or money supply in the economy. A central bank implements quantitative tightening by reducing the financial assets it holds on its balance sheet by selling them into the financial markets, which decreases asset prices and raises interest rates. QT is the re

In finance, return is a profit on an investment. It comprises any change in value of the investment, and/or cash flows (or securities, or other investments) which the investor receives from that investment over a specified time period, such as interest payments, coupons, cash dividends and stock dividends. It may be measured either in absolute terms (e.g., dollars) or as a percentage of

A remortgage (known as refinancing in the United States) is the process of paying off one mortgage with the proceeds from a new mortgage using the same property as security. The term is mainly used commercially in the United Kingdom, though what it describes is not unique to any one country. Often the purpose of switching is to secure a more favorable interest rate from a different lende

Repossession, commonly referred to as repo, is a "self-help" type of action in which the party having the right of ownership of a property takes the property in question back from the party having right of possession without invoking court proceedings. The property may then be sold by either the financial institution or third party sellers.

In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an investment's doubling time. The rule number (e.g., 72) is divided by the interest percentage per period (usually years) to obtain the approximate number of periods required for doubling. Although scientific calculators and spreadsheet programs have functions to find the accurate doubling time, t

On September 17, 2019, interest rates on overnight repurchase agreements (or "repos"), which are short-term loans between financial institutions, experienced a sudden and unexpected spike. A measure of the interest rate on overnight repos in the United States, the Secured Overnight Financing Rate (SOFR), increased from 2.43 percent on September 16 to 5.25 percent on September 17. During

Stock dilution, also known as equity dilution, is the decrease in existing shareholders' ownership percentage of a company as a result of the company issuing new equity. New equity increases the total shares outstanding which has a dilutive effect on the ownership percentage of existing shareholders. This increase in the number of shares outstanding can result from a primary market off

In finance, unsecured debt refers to any type of debt or general obligation that is not protected by a guarantor, or collateralized by a lien on specific assets of the borrower in the case of a bankruptcy or liquidation or failure to meet the terms for repayment. Unsecured debts are sometimes called signature debt or personal loans. These differ from secured debt such as a mortgage, whic

Voting interest (or voting power) in business and accounting means the total number, or percent, of votes entitled to be cast on the issue at the time the determination of voting power is made, excluding a vote which is contingent upon the happening of a condition or event which has not occurred at the time.