How to Create CUSIP Number for Financial Security

Creating a CUSIP number involves a systematic process that ensures each security is uniquely identified. Let’s walk through an example of how a CUSIP number might be created for a fictional company, XYZ Corporation, issuing a new bond:

Issuer Information:

• Issuer Name: XYZ Corporation
• Issuer’s unique identifier: Assigned by CUSIP Global Services (CGS)

Issue Information:

• Bond Type: Corporate Bond
• Bond Series: Series A
• Maturity Date: January 1, 2030

Step 1: Determining the Issuer Number

The first step in creating a CUSIP number is determining the issuer number, which is unique to XYZ Corporation. Let’s assume that XYZ Corporation has the issuer number “123456.”

Step 2: Assigning the Issue Number

Next, an issue number is assigned sequentially within XYZ Corporation’s range. Since this is the first bond issue by XYZ Corporation, the issue number could be “01.”

Step 3: Calculating the Check Digit

Now, we need to calculate the check digit. The check digit is the last character of the CUSIP number and is calculated using a formula applied to the preceding eight characters (issuer number and issue number).

For our example:

• Issuer Number: 123456
• Issue Number: 01

We concatenate these two numbers: “12345601.”

To calculate the check digit, follow these steps:

1. Starting from the right, double the value of every alternate digit. In this case, double the 1st, 3rd, 5th, etc., digits:
   • 1 -> 1 x 2 = 2
   • 6 -> 6 (unchanged)
2. If any of the doubled digits result in a two-digit number (e.g., 2 x 2 = 4), add the digits of that number together:
   • 2 (unchanged)
   • 6 (unchanged)
3. Add up all the digits:
   • 1 + 2 + 6 = 9
4. Subtract the total from the next highest multiple of 10:
   • 10 – 9 = 1

So, the check digit for our example is “1.”

Step 4: Constructing the CUSIP Number

Now that we have all the components, we can construct the CUSIP number:

• Issuer Number: 123456
• Issue Number: 01
• Check Digit: 1

The complete CUSIP number for XYZ Corporation’s Series A bond, maturing on January 1, 2030, would be: “12345601” + “1” = “123456011.”

This CUSIP number uniquely identifies this specific bond issued by XYZ Corporation, making it easier for financial institutions, investors, and regulators to track and manage the security in the financial markets. Remember that in practice, CUSIP numbers are assigned by CUSIP Global Services (CGS) to ensure accuracy and uniqueness across all securities.

Though CUSIP number is not compulsory for all financial institutions, they are extensively used and often considered a standard practice. Financial institutions frequently employ CUSIP number to uniquely identify and track securities for trading, settlement, and regulatory compliance. While their use may not be legally mandated, they are crucial for efficient operations and ensuring accurate record-keeping in the financial industry.

Many financial institutions choose to adopt CUSIP number as an industry best practice to enhance transparency, reduce errors, and facilitate seamless interactions within the global financial markets. However, their adoption may vary based on specific regulatory requirements and the institution’s operational needs.

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