isin stands for: International Securities Identification Number ISIN: What is International Securities Identification Number ISIN? Stocks Glossary, Meaning, Definition


The Committee on Uniform Security Identification Purposes , on the other hand, is a North American alphanumeric code that has nine characters used for securities trade clearing and settlement. The check digit is calculated by converting letters to numbers according to their position in the alphabet. All second digits are then multiplied by two to come up with the CUSIP check digit. The ISIN Organization provides management services related to International Securities Identification Numbers . ISINs uniquely identify a security — its structure is defined in ISO 6166. Securities for which ISINs are issued include bonds, commercial paper, equities and warrants.

clearing and settlement

The first two alphabetic characters is the code for the issuing country. ISIN, which stands for ‘International Securities Identification Number’, is an international standard. Every ISIN is 12 digits long, is alphanumeric, and begins with two letters representing the country of registration. Funds and companies worldwide issue ISIN identifiers to their securities. Assigning an ISIN code identifier for companies may require a prospectus, term sheet, offering memorandum or other documents.

Understanding the ISIN Numbering System

The ISIN code acts an identifier for the securities and as such is the only common denominator securities identification number that is universally recognized. ISINs are used for numerous reasons such as for clearing and settlement. The ISIN standard is used worldwide to identify specific securities such as bonds, stocks , futures, warrant, rights, trusts, commercial paper and options. ISINs are assigned to securities to facilitate unambiguous clearing and settlement procedures. They are composed of a 12-digit alphanumeric code and act to unify different ticker symbols “which can vary by exchange and currency” for the same security.

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Since 1989, when ISINs were introduced, they have slowly gained traction worldwide in their usage. ISINs were first used in 1981, but did not reach wide acceptance until 1989, when the G30 countries recommended adoption. The ISIN was endorsed a year later by ISO with the ISO 6166 standard. can assist with obtaining an ISIN number (“International Securities Identification Number”) for all types of securities.

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Python | Pandas DataFrame.isin()

ISIN numbers are obtained by a vast awry of companies and funds, as well as various securities worldwide. ISIN contains 12 characters in total, which comprise of both alphabets and numbers. The first two digits stand for the country code, next nine digits are the unique identification number for the security while the last digit is a check digit to prevent errors. The system codes securities including stocks, bonds, options, and futures with unique identification numbers. ISIN identifiers are administered by a National Numbering Agency in each country that currently uses the system.

Fill out one of our applications forms and we will contact you with the necessary procedures. 5.ISIN has nine alphanumeric characters which are the national security identifier while CUSIP has six characters that identify the issuer and two characters that identify the issue. The International Securities Identification Number or ISIN Code is a unique code that is used to identify securities.

In 2009 they were isin stands forally charged with unfair pricing by the European Commission after charging licensing fees to European financial firms. The ISIN code is the only universally recognised securities identification number. ISIN is a unique 12-digit alphanumeric identification number allotted for a security Equity fully paid up, equity-partly paid up, equity with differential voting/dividend. 4.ISIN includes a two character country code which is provided by the ISO while CUSIP does not. The check digit is derived using the “Modulus 10 Double Add Double” technique wherein letters are converted to numbers by adding their position in the alphabet to nine. Odd and even numbers are segregated then the first group is multiplied by two.

A stock symbol is a unique series of letters assigned to a security for trading purposes. The CUSIP number is an identification number assigned to all stocks and registered bonds by The Committee on Uniform Securities Identification Procedures. The value of your investments can go down as well as up and you may get back less than you originally invested. We don’t offer advice, so it’s important you understand the risks, if you’re unsure please consult a suitably qualified financial adviser. Tax treatment depends on your individual circumstances and rules may change.

How to validate ISIN using Regular Expressions

ISIN, or International Securities Identification Number, is a 12 digit code that’s sole purpose is to uniquely identify a security, such as a stock or a bond. The ISIN numbering system has been around for more than 40 years and is currently becoming the main traditional avenue for securities identification worldwide with over 100 countries adopting ISIN codes. An ISIN code is unique from other types of identifiers, such as ticker symbols, whose main identification marks are not universal. For instance, a ticker symbol in the US may not be the same as in Japan, though the company is the same. However, the ISIN number code transcends such cross border ‘errors’, and indeed all one must have in his/her possession is the ISIN code to bring up a securities’ information.

  • ISINs uniquely identify a security — its structure is defined in ISO 6166.
  • Companies often obtain CFI and ISIN codes for their stocks, bonds, funds, hedge funds, mutual funds and other securities, whether for a private offering or going public with an IPO .
  • The ISIN code is a 12 digit numbering system for unique representation of securities such as stocks and bonds.

Since the NSIN element can be any alpha numeric sequence , an odd number of letters will result in an even number of digits and an even number of letters will result in an odd number of digits. For an odd number of digits, the approach in the first example is used. For an even number of digits, the approach in the second example is used. The Luhn algorithm can also be applied in the same manner for both types or lengths , being more generic. In 2004 the European Union mandated the use of instrument identifiers in some of its regulatory reporting, which included ISIN as one of the valid identifiers.

Understanding International Securities Identification Number (ISIN)

Securities with which ISINs can be used include debt securities, such as notes or bonds as well shares, such as common stock or shares of a fund, options, derivatives and futures. An ISIN should not be confused with a ticker symbol which identifies the stock at the exchange level. For instance, IBM common stock trades through almost 25 trading platforms and exchanges worldwide. IBM stock has different ticker symbols depending on where it is traded, but has only a single ISIN for each security.


ISO 6166, Financial services – International securities identification number , provides a uniform structure for the identification of financial instruments as well as referential instruments. International Securities Identification Numbering system, uniquely identifies a security. The ISIN is an international standard formed by the International Organization for Standardization , for the purpose of numbering specific securities. ISINs were once considered only a secondary form of security identification, used exclusively for clearing and settlement. In recent years, some European countries have adopted ISINs as their primary security identifier.

An offering memorandum or an prospectus is often required to obtain an ISIN. ISIN’s are implicitly used in the U.S. and Canada because they are built upon CUSIP numbers. Over time, most countries appear willing to adopt ISIN numbering either as a primary or secondary identifier to administer ISINs. An International Securities Identification Number uniquely identifies a security.

Think of it as a serial number that does not contain information characterizing financial instruments but rather serves to uniformly identify a security for trading and settlement purposes. Unique FIGIs identify securities as well as individual exchanges on which they trade. Composite FIGIs are also issued to represent unique securities across related exchanges.

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Ariel Courage is an experienced editor, researcher, and former fact-checker. She has performed editing and fact-checking work for several leading finance publications, including The Motley Fool and Passport to Wall Street.

Obtaining an CFI and ISIN codes for securities may require a prospectus, term sheet, offering memorandum or other documents. Save taxes with Clear by investing in tax saving mutual funds online. Our experts suggest the best funds and you can get high returns by investing directly or through SIP. Download Black by ClearTax App to file returns from your mobile phone.

Once issued, a FIGI is never reused and represents the same instrument in perpetuity. The ISIN number is administered by the corresponding National Numbering Agency present in the respective country. The first two are assigned by the country of origin and by the head office of the issuing company respectively. The 9 characters between the first and the last, are utilized for unique identification of the security. The last digit acts as a check digit to prevent errors and ensure authenticity of the code.

First two letters of the ISIN code refer to the country in which the issuing company is based. So the ISIN check digit is still three even though two letters have been transposed. Established in 1964, the CUSIP Service Bureau was created to improve country-wide standards for the financial services industry. ISINs are used for numerous reasons including clearing and settlement. The numbers ensure a consistent format so that holdings of institutional investors can be tracked consistently across markets worldwide.

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