Securities Bond Equities Investment Fund Derivatives Structured finance Agency Securities Markets Bond market Stock market Futures market Foreign exchange market Commodity market Spot market Over-the-counter Market (OTC)
Bonds by coupon Fixed rate bond Floating rate note Zero coupon bond Inflation-indexed bond Commercial paper Perpetual bond Bonds by issuer Corporate bond Government bond Municipal bond Sovereign bonds Equities (Stocks) Stock Share IPO Short Selling Investment Funds Mutual fund Index Fund Exchange-traded fund (ETF) Closed-end fund Segregated fund Structured Finance Securitization Asset-backed security Collateralized debt obligation Collateralized mortgage obligation Credit-linked note Mortgage-backed security Commercial mortgage-backed security Unsecured bond Agency Securities Derivatives Options Warrants Futures Forwards Swaps Credit Derivatives Hybrid Securities For security (collateral), the legal right given to a creditor by a borrower, see security interest
A security is a fungible, negotiable instrument representing financial value. Securities are broadly categorized into debt and equity securities such as bonds and common stocks, respectively. The company or other entity issuing the security is called the issuer. What specifically qualifies as a security is dependent on the regulatory structure in a country. For example private investment pools may have some features of securities, but they may not be registered or regulated as such if they meet various restrictions.
Securities may be represented by a certificate or, more typically, by an electronic book entry interest. Certificates may be bearer, meaning they entitle the holder to rights under the security merely by holding the security, or registered, meaning they entitle the holder to rights only if he or she appears on a security register maintained by the issuer or an intermediary. They include shares of corporate stock or mutual funds, bonds issued by corporations or governmental agencies, stock options or other options, limited partnership units, and various other formal investment instruments that are negotiable and fungible.

Classification
Issuers of securities include commercial companies, government agencies, local authorities and international and supranational organizations (such as the World Bank). Debt securities issued by a government (called government bonds or sovereign bonds) generally carry a lower interest rate than corporate debt issued by commercial companies. Interests in an asset -- for example, the flow of royalty payments from intellectual property—may also be turned into securities. These repackaged securities resulting from a securitization are usually issued by a company established for the purpose of the repackaging—called a special purpose vehicle (SPV). See "Repackaging" below. SPVs are also used to issue other kinds of securities. SPVs can also be used to guarantee securities, such as covered bonds.
New capital: Commercial enterprises have traditionally used securities as a means of raising new capital. Securities may be an attractive option relative to bank loans depending on their pricing and market demand for particular characteristics. Another disadvantage of bank loans as a source of financing is that the bank may seek a measure of protection against default by the borrower via extensive financial covenants. Through securities, capital is provided by investors who purchase the securities upon their initial issuance. In a similar way, governments may raise capital through the issuance of securities (see government debt).
Repackaging: In recent decades securities have been issued to repackage existing assets. In a traditional securitisation, a financial institution may wish to remove assets from its balance sheet in order to achieve regulatory capital efficiencies or to accelerate its receipt of cash flow from the original assets. Alternatively, an intermediary may wish to make a profit by acquiring financial assets and repackaging them in a way which makes them more attractive to investors.

By Type of Issuer
Investors in securities may be retail, i.e. members of the public investing other than by way of business. The greatest part in terms of volume of investment is wholesale, i.e. by financial institutions acting on their own account, or on behalf of clients. Important institutional investors include investment banks, insurance companies, pension funds and other managed funds.
Investment: The traditional economic function of the purchase of securities is investment, with the view to receiving income and/or achieving capital gain. Debt securities generally offer a higher rate of interest than bank deposits, and equities may offer the prospect of capital growth. Equity investment may also offer control of the business of the issuer. Debt holdings may also offer some measure of control to the investor if the company is a fledgling start-up or an old giant undergoing 'restructuring'. In these cases, if interest payments are missed, the creditors may take control of the company and liquidate it to recover some of their investment.
Collateral: The last decade has seen an enormous growth in the use of securities as collateral. Purchasing securities with borrowed money secured by other securities is called "buying on margin." Where A is owed a debt or other obligation by B, A may require B to deliver property rights in securities to A. These property rights enable A to satisfy its claims in the event that B becomes insolvent. Collateral arrangements are divided into two broad categories, namely security interests and outright collateral transfers. Commonly, commercial banks, investment banks and government agencies are significant collateral takers.

Debt and Equity
Debt securities may be called debentures, bonds, notes or commercial paper depending on their maturity and certain other characteristics. The holder of a debt security is typically entitled to the payment of principal and interest, together with other contractual rights under the terms of the issue, such as the right to receive certain information. Debt securities are generally issued for a fixed term and redeemable by the issuer at the end of that term. Debt securities may be protected by collateral or may be unsecured, and, if they are unsecured, may be contractually "senior" to other unsecured debt meaning their holders would have a priority in a bankruptcy of the issuer. Debt that is not senior is "subordinated".
Corporate bonds represent the debt of commercial or industrial entities. Debentures have a long maturity, typically at least ten years, whereas notes have a shorter maturity. Commercial paper is a simple form of debt security that essentially represents a post-dated check with a maturity of not more than 270 days.
Money market instruments are short term debt instruments that may have characteristics of deposit accounts, such as certificates of deposit, and certain bills of exchange. They are highly liquid and are sometimes referred to as "near cash". Commercial paper is also often highly liquid.
Euro debt securities are securities issued internationally outside their domestic market in a denomination different from that of the issuer's domicile. They include eurobonds and euronotes. Eurobonds are characteristically underwritten, and not secured, and interest is paid gross. A euronote may take the form of euro-commercial paper (ECP) or euro-certificates of deposit.
Government bonds are medium or long term debt securities issued by sovereign governments or their agencies. Typically they carry a lower rate of interest than corporate bonds, and serve as a source of finance for governments. U.S. federal government bonds are called treasuries. Because of their liquidity and perceived low risk, treasuries are used to manage the money supply in the open market operations of non-US central banks.
Sub-sovereign government bonds, known in the U.S. as municipal bonds, represent the debt of state, provincial, territorial, municipal or other governmental units other than sovereign governments.
Supranational bonds represent the debt of international organizations such as the World Bank, the International Monetary Fund, regional multilateral development banks and others.

Debt
An equity security is a share in the capital stock of a company (typically common stock, although preferred equity is also a form of capital stock). The holder of an equity is a shareholder, owning a share, or fractional part of the issuer. Unlike debt securities, which typically require regular payments (interest) to the holder, equity securities are not entitled to any payment. In bankruptcy, they share only in the residual interest of the issuer after all obligations have been paid out to creditors. However, equity generally entitles the holder to a pro rata portion of control of the company, meaning that a holder of a majority of the equity is usually entitled to control the issuer. Equity also enjoys the right to profits and capital gain, whereas holders of debt securities receive only interest and repayment of principal regardless of how well the issuer performs financially. Furthermore, debt securities do not have voting rights outside of bankruptcy. In other words, equity holders are entitled to the "upside" of the business and to control the business.

Stock Equity
Hybrid securities combine some of the characteristics of both debt and equity securities.
Preference shares form an intermediate class of security between equities and debt. If the issuer is liquidated, they carry the right to receive interest and/or a return of capital in priority to ordinary shareholders. However, from a legal perspective, they are capital stock and therefore may entitle holders to some degree of control depending on whether they contain voting rights.
Convertibles are bonds or preferred stock which can be converted, at the election of the holder of the convertibles, into the common stock of the issuing company. The convertibility, however, may be forced if the convertible is a callable bond, and the issuer calls the bond. The bondholder has about 1 month to convert it, or the company will call the bond by giving the holder the call price, which may be less than the value of the converted stock. This is referred to as a forced conversion.
Equity warrants are options issued by the company that allows the holder of the warrant to purchase a specific number of shares at a specified price within a specified time. They are often issued together with bonds or existing equities, and are, sometimes, detachable from them and separately tradable. When the holder of the warrant exercises it, he pays the money directly to the company, and the company issues new shares to holder.
Warrants, like other convertible securities, increases the number of shares outstanding, and are always accounted for in financial reports as fully diluted earnings per share, which assumes that all warrants and convertibles will be exercised.

Hybrid

The Securities Market
The public securities markets can be divided into primary and secondary markets. The distinguishing difference between the two markets is that in the primary market, the money for the securities is received by the issuer of those securities from investors, whereas in the secondary market, the money goes from one investor to the other. When a company issues public stock for the first time, this is called an Initial Public Offering (IPO). A company can later issue more new shares, or issue shares that have been previously registered in a shelf registration. These later new issues are also sold in the primary market, but they are not considered to be an IPO. Issuers usually retain investment banks to assist them in administering the IPO, getting SEC approval, and selling the new issue. When the investment bank buys the entire new issue from the issuer at a discount to resell it at a markup, it is called an underwriting, or firm commitment. However, if the investment bank considers the risk too great for an underwriting, it may only assent to a best effort agreement, where the investment bank will simply do its best to sell the new issue.
In order for the primary market to thrive, there must be a secondary market, or aftermarket, where holders of securities can sell them to other investors for cash, hopefully at a profit. Otherwise, few people would purchase primary issues, and, thus, companies and governments would be unable to raise money for their operations. Organized exchanges constitute the main secondary markets. Many smaller issues and most debt securities trade in the decentralized, dealer-based over-the-counter markets.
In Europe, the principal trade organization for securities dealers is the International Capital Market Association. In the U.S., the principal organization for securities dealers is the Securities Industry and Financial Markets Association. The Bond Market Association represents bond dealers globally.

Primary and Secondary Market
In the primary markets, securities may be offered to the public in a public offer. Alternatively, they may be offered privately to a limited number of qualified persons in a private placement. Often a combination of the two is used. The distinction between the two is important to securities regulation and company law. Privately placed securities are often not publicly tradable and may only be bought and sold by sophisticated qualified investors. As a result, the secondary market is not as liquid.
Another category, sovereign debt, is generally sold by auction to a specialised class of dealers.

Public Offer and Private Placement
Securities are often listed in a stock exchange, an organised and officially recognised market on which securities can be bought and sold. Issuers may seek listings for their securities in order to attract investors, by ensuring that there is a liquid and regulated market in which investors will be able to buy and sell securities.
Growth in informal electronic trading systems has challenged the traditional business of stock exchanges. Large volumes of securities are also bought and sold "over the counter" (OTC). OTC dealing involves buyers and sellers dealing with each other by telephone or electronically on the basis of prices that are displayed electronically, usually by commercial information vendors such as Reuters and Bloomberg.
There are also eurosecurities, which are securities that are issued outside their domestic market into more than one jurisdiction. They are generally listed on the Luxembourg Stock Exchange or admitted to listing in London. The reasons for listing eurobonds include regulatory and tax considerations, as well as the investment restrictions.

Listing and OTC Dealing
London is the centre of the eurosecurities markets. There was a huge rise in the eurosecurities market in London in the early 1980s. Settlement of trades in eurosecurities is currently effected through two European computerised systems called Euroclear (in Belgium) and Clearstream (formerly Cedelbank in Luxembourg).
The main market for Eurobonds is the EuroMTS, owned by Borsa Italiana and Euronext.the

International Debt Market

Physical Nature of Securities
Securities that are represented by certificates are called certificated securities. They may be bearer or registered.

Certificated Securities
Bearer securities are completely negotiable and entitle the holder to the rights under the security (e.g. to payment if it is a debt security, and voting if it is an equity security). They are transferred by delivering the instrument from person to person. In some cases, transfer is by endorsement, or signing the back of the instrument, and delivery.
Regulatory and fiscal authorities sometimes regard bearer securities negatively, as they may be used to facilitate the evasion of regulatory restrictions and tax. In the United Kingdom, for example, the issue of bearer securities was heavily restricted firstly by the Exchange Control Act 1947 until 1963. Bearer securities are very rare in the United States because of the negative tax implications they may have to the issuer and holder.

Bearer Securities
In the case of registered securities, certificates bearing the name of the holder are issued, but these merely represent the securities. A person does not automatically acquire legal ownership by having possession of the certificate. Instead, the issuer (or its appointed agent) maintains a register in which details of the holder of the securities are entered and updated as appropriate. A transfer of registered securities is effected by amending the register.

Registered Securities
Modern practice has developed to eliminate both the need for certificates and maintenance of a complete security register by the issuer. There are two general ways this has been accomplished.

Uncertificated Securities and Global Certificates
In some jurisdictions, such as France, it is possible for issuers of that jurisdiction to maintain a legal record of their securities electronically...

Uncertificated Securities
In the United States, the corporation laws typically do not permit securities to be issued without being represented by one or more registered certificates. In order to facilitate the electronic transfer of interests in securities, a system has developed whereby issuers deposit a single global certificate representing all the outstanding securities of a class or series with a universal depository. This depository is called the Depository Trust Corporation, or DTC. DTC is a non-profit cooperative owned by approximately thirty of the largest Wall Street players that typically act as brokers or dealers in securities. These thirty banks are called the DTC participants. DTC, through a legal nominee, owns each of the global securities on behalf of all the DTC participants.
All securities traded through DTC are in fact held, in electronic form, on the books of various intermediaries between the ultimate owner, e.g. a retail investor, and the DTC participants. For example, Mr. Smith may hold 100 shares of Coca Cola, Inc. in his brokerage account at local broker Jones & Co. brokers. In turn, Jones & Co. may hold 1000 shares of Coca Cola on behalf of Mr. Smith and nine other customers. These 1000 shares are held by Jones & Co. in an account with Goldman Sachs, a DTC participant, or in an account at another DTC participant. Goldman Sachs in turn may hold millions of Coca Cola shares on its books on behalf of hundreds of brokers similar to Jones & Co. Each day, the DTC participants settle their accounts with the other DTC participants and adjust the number of shares held on their books for the benefit of customers like Jones & Co. Ownership of securities in this fashion is called beneficial ownership. Each intermediary holds on behalf of someone beneath him in the chain. The ultimate owner is called the beneficial owner. This is also referred to as owning in "Street name".

Global Certificates and Book Entry Interests
Besides DTC, two other large securities depositories exist, both in Europe: Euroclear and Clearstream.

Other Depositories: Euroclear and Clearstream
The terms "divided" and "undivided" relate to the proprietary nature of a security.
Each divided security constitutes a separate asset, which is legally distinct from each other security in the same issue. Pre-electronic bearer securities were divided. Each instrument constitutes the separate covenant of the issuer and is a separate debt.
With undivided securities, the entire issue makes up one single asset, with each of the securities being a fractional part of this undivided whole. Shares in the secondary markets are always undivided. The issuer owes only one set of obligations to shareholders under its memorandum, articles of association and company law. A share represents an undivided fractional part of the issuing company. Registered debt securities also have this undivided nature.

Divided and Undivided Security
The terms "fungible" and "non-fungible" relate to the way in which securities are held.
If an asset is fungible, this means that when such an asset is lent, or placed with a custodian, it is customary for the borrower or custodian to be obliged at the end of the loan or custody arrangement to return assets equivalent to the original asset, rather than the identical asset. In other words, the redelivery of fungibles is equivalent and not in specie (identical).
Undivided securities are always fungible by logical necessity. Divided securities may or may not be fungible, depending on market practice. The clear trend is towards fungible arrangements.

Fungible and Non-fungible Security
In the United States, the public offer and sale of securities must be either registered pursuant to a registration statement that is filed with the U.S. Securities and Exchange Commission (SEC) or are offered and sold pursuant to an exemption therefrom. Dealing in securities is heavily regulated by both the federal authorities (SEC) and state authorities. In addition the industry is heavily self policed by Self Regulatory Organizations (SROs), such as the NASD or the MSRB.
Due to the difficulty of creating a general definition that covers all securities, Congress attempts to define "securities" exhaustively (and not very precisely) as: "any note, stock, treasury stock, security future, bond, debenture, certificate of interest or participation in any profit-sharing agreement or in any oil, gas, or other mineral royalty or lease, any collateral-trust certificate, preorganization certificate or subscription, transferable share, investment contract, voting-trust certificate, certificate of deposit for a security, any put, call, straddle, option, or privilege on any security, certificate of deposit, or group or index of securities (including any interest therein or based on the value thereof), or any put, call, straddle, option, or privilege entered into on a national securities exchange relating to foreign currency, or in general, any instrument commonly known as a 'security'; or any certificate of interest or participation in, temporary or interim certificate for, receipt for, or warrant or right to subscribe to or purchase, any of the foregoing; but shall not include currency or any note, draft, bill of exchange, or bankers' acceptance which has a maturity at the time of issuance of not exceeding nine months, exclusive of days of grace, or any renewal thereof the maturity of which is likewise limited." - Section 3a item 10 of the 1934 Act.
The US Courts have developed a broad definition for securities that must then be registered with the SEC. There is an investment of money, a common enterprise and expectation of profits to come primarily from the efforts of others. See SEC v. W.J. Howey Co. and SEC v. Glenn W. Turner Enterprises, Inc.

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