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Glossary

CUSIP

Category — Issue Parameters
By Konstantin Vasilev Member of the Board of Directors of Cbonds, Ph.D. in Economics
Updated August 06, 2023

What Is a CUSIP Number?

A CUSIP number is an exclusive nine-digit identification assigned to registered securities in the United States and Canada, following the Uniform Securities Identification Procedures (USIP). Its primary purpose is to establish clear differentiation among publicly traded securities. These numbers play a crucial role in facilitating trades and settlements by providing a consistent identifier for each security involved in a trade. Consequently, every trade is recorded with its corresponding CUSIP number, enabling efficient tracking of actions and activities related to these securities.

Managed by CUSIP Global Services and operated by the American Bankers Association, CUSIP numbers serve to identify various financial instruments, including foreign securities, municipal bonds, and more. They are widely utilized by brokerage and clearing firms, as well as other financial institutions and market participants, including Canadian companies.

This system ensures that securities can be accurately identified and tracked throughout their lifecycle, promoting transparency and efficiency in the financial markets.

CUSIP

How CUSIP Numbers Work

CUSIP, pronounced as "Q-sip," stands for the Committee on Uniform Security Identification Procedures, which holds authority over the entire CUSIP system. Much like the stock symbols assigned to publicly traded company shares, a CUSIP number serves as a distinct identifier for equity, debt, and other securities issued by a company. This identifier functions akin to a serial number and comprises nine digits:

  • The initial six alphanumeric characters, referred to as CUSIP-6 or the base, uniquely identify the issuer.

  • The seventh and eighth digits indicate the type of security.

  • The ninth digit serves as a check digit, automatically generated for validation purposes.

Why are CUSIP numbers important to investors?

Importance of CUSIP numbers are outlined as follows:

  • Accurate Identification. CUSIP numbers uniquely identify securities, minimizing errors in trading and settlement and ensuring investors buy and sell the correct financial instruments.

  • Risk Management and Due Diligence. Investors use CUSIP numbers to assess the creditworthiness and risk associated with specific securities, aiding in informed investment decisions.

  • Regulatory Compliance. CUSIP numbers are required for regulatory reporting and compliance, ensuring investors meet legal obligations, such as accurate tax reporting.

  • Portfolio Diversification. CUSIP numbers help investors diversify portfolios efficiently by identifying different securities, allowing them to spread investments across various asset classes and regions.

  • Market Transparency and Research. CUSIP numbers contribute to market transparency, aiding researchers and analysts in tracking market trends and conducting in-depth analysis, ultimately bolstering investor confidence and trust in the financial markets.

CUSIP vs. ISIN

CUSIP (Committee on Uniform Security Identification Procedures) and ISIN (International Securities Identification Number) are both identification systems used in the financial industry to uniquely identify securities, but they have key differences:

  •  Geographic Coverage

    CUSIP: Primarily used in the United States and Canada. It is managed by CUSIP Global Services, operated by the American Bankers Association (ABA).

    ISIN: An international system used globally. It is managed by the Association of National Numbering Agencies (ANNA) and is recognized and adopted by many countries worldwide.

  • Scope

    CUSIP: While commonly associated with equities and debt securities, CUSIP numbers are used for a wide range of financial instruments, including municipal bonds, government securities, and more.

    ISIN: ISINs are primarily used for securities, such as stocks, bonds, and mutual funds. They are not typically used for other financial instruments like derivatives.

  • Format

    CUSIP: Comprises nine alphanumeric characters, with the first six identifying the issuer, the seventh and eighth indicating the security type, and the ninth serving as a check digit.

    ISIN: Comprises 12 alphanumeric characters, with the first two letters representing the country code, the next nine identifying the security, and the last character serving as a check digit.

  • Global Recognition

    CUSIP: Primarily used in North America, so it may not be as widely recognized or adopted in other parts of the world.

    ISIN: Globally recognized and used for cross-border trading and regulatory reporting. It is the standard for identifying securities in international markets.

  • Regulatory Requirements

    CUSIP: Used for regulatory compliance in the United States and Canada, including tax reporting and market oversight.

    ISIN: Used for regulatory purposes in many countries, especially in Europe, where it is a requirement for securities trading and reporting.

In summary, while both CUSIP and ISIN serve the purpose of uniquely identifying securities, ISIN is more internationally recognized and adopted, making it the standard for cross-border securities trading and regulatory compliance. CUSIP, on the other hand, is primarily used in North America and has a broader scope that includes various financial instruments beyond just traditional stocks and bonds.

CUSIP vs. CINS

  •  Geographic Coverage

    CUSIP: Primarily used in the United States and Canada.

    CINS: Designed for international use, including non-U.S. securities.

  • Scope

    CUSIP: Used to identify various financial instruments, including equities, debt securities, municipal bonds, government securities, and more.

    CINS: Primarily used for foreign securities and non-U.S. issuers.

  • Format

    CUSIP: Comprises nine alphanumeric characters, with the first six identifying the issuer, the seventh and eighth indicating the security type, and the ninth serving as a check digit.

    CINS: Extends the CUSIP format to 12 alphanumeric characters, allowing for greater international coverage.

  • Global Recognition

    CUSIP: Mainly known and used in North America.

    CINS: Designed to facilitate the identification of non-U.S. securities in international markets.

  • Regulatory Requirements

    CUSIP: Used for regulatory compliance in the United States and Canada, including tax reporting and market oversight.

    CINS: Used for regulatory purposes related to foreign securities trading and compliance.

In summary, CUSIP and CINS are identification systems for securities, with CUSIP primarily serving North American markets and a broader range of financial instruments, while CINS is designed for international use, focusing on non-U.S. securities and issuers. CINS extends the CUSIP format to accommodate international needs.

Example

Below are some genuine examples of CUSIPs for companies spanning various sectors:

  • Apple: 037833100

  • Alphabet: 02079K107

  • Alaska Air Group: 011659109

  • Walmart: 931142103

FAQ

  • What do CUSIP numbers tell?

  • What does a CUSIP number look like?

  • How do I find my CUSIP number?

  • How do I find a stock in CUSIP?

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