2015 Summer projects- SAS credit risk project summary

SAS Credit Risk Project

Designed & led by Financial Math Alumnus- Jonathan Leonardelli

Objective:
For students to apply credit risk concepts while developing SAS programming skills

Goals:
1. Become Base SAS certified
2. Have an understanding of CCAR and Basel II calculations
3. Learn how to model PD / LGD / EAD
4. Use equations to calculate Expected Loss (EL), RWA (Risk Weighted Assets), and capital ratios

By Aisha Barnes & Preethi Kankanala- The purpose of the summer SAS case study was to develop an understanding of the different steps that are involved in calculating the loss portion of CCAR (Comprehensive Credit Analysis & Review). CCAR is a regulatory framework that ensures Bank Holding Companies (BHCs) have enough capital under the worst scenarios. This is tested under various stress-testing scenarios.

In our case study, we analyzed a portfolio of different products and estimated the capital that is required to hold the portfolio under three different scenarios. For this, we have estimated the historic Probability of Default (PD)*, Loss Given Default (LGD)* and Exposure at Default (EAD) and forecasted the future values using a variety of techniques (e.g., regression models) in SAS. Then we used these values to estimate risk weighted assets and capital.

This exercise helps BHCs ensure that they have enough capital if there is any change in the economic conditions. If the capital plan does not pass regulatory review, then the company has to change it to ensure there is adequate regulatory capital.

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"Throughout the project, Financial Math Alumnus and Board Member, Jonathan Leonardelli, directed and mentored our team. We gained knowledge and enhanced our technical and business skills under his guidance. The project provided us hands-on experience on estimating the credit metrics and how to apply them with real world problems."- Preethi Kankanala, December 2015 Graduate

"This summer I experienced real application of how I will use my Financial Mathematics degree. I learned how to program in SAS and plan to gain certification. I used SAS to find the amount of capital a bank reserves to meet the Basel II requirements. I feel confident in having these skills."- Aisha Barnes, December 2015 Graduate

*PD (Probability of Default) = likelihood that a loan will default in the future
*LGD (Loss Given Default) = amount a bank will lose if a customer defaults on their loans

(All the project groups presented their summaries at the end of the summer session. More info to come soon from the other groups).
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Financial Math socials- a fun break from the rigorous coursework

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In the midst of the busy life with assignments and projects, Financial Math students have the opportunity to take a break with social events scattered throughout the semesters. The socials are fun and act as stress busters in between long hours of studying. More importantly, the socials bring everyone together and allow the students to bond outside the classroom.

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Last Spring 2015 semester, our Director of Career Services and Director hosted events such as bowling, Chinese New Years potluck and a spring picnic with team games. The Financial Math program does a great job of ensuring all students enjoy their time at NC State.

We had a great time and look forward to future Financial Math socials Fall and Spring semesters. Thank you Leslie & Jeff! - Preethi Kankanala, Financial Math Intern, December 2015 Graduate

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