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UBS Quantitative Analyst Interview Questions, Process, and Tips

Updated 11 Jun 2024

Top UBS Quantitative Analyst Interview Questions and Answers

View all 6 questions

UBS Quantitative Analyst Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Not Selected

I applied via Company Website and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(6 Questions)

  • Q1. What is VaR how to calculate
  • Ans. 

    VaR stands for Value at Risk, a measure used to estimate the potential loss in value of a portfolio over a specified time period under normal market conditions.

    • VaR is calculated by determining the maximum potential loss within a specified confidence level over a given time horizon.

    • There are different methods to calculate VaR, including historical simulation, parametric method, and Monte Carlo simulation.

    • For example, th...

  • Answered by AI
  • Q2. How to calculate VaR for Bonds
  • Ans. 

    VaR for bonds can be calculated using historical simulation, parametric method, or Monte Carlo simulation.

    • Historical simulation involves using historical data to calculate potential losses.

    • Parametric method uses statistical techniques to estimate potential losses based on assumptions about the distribution of bond returns.

    • Monte Carlo simulation involves generating multiple scenarios and calculating potential losses in ...

  • Answered by AI
  • Q3. What is yield is it same as coupon
  • Ans. 

    Yield is not the same as coupon. Yield is the return on investment, taking into account the current market price of the bond.

    • Yield is the return on investment for a bond, taking into account the current market price.

    • Coupon is the fixed interest rate paid by the bond issuer to the bondholder.

    • Yield can be higher or lower than the coupon rate, depending on the bond's current market price.

    • For example, a bond with a $1,000 ...

  • Answered by AI
  • Q4. If you want to check if an OLS is best fit how would you quantify
  • Ans. 

    To quantify if an OLS is the best fit, one can use metrics like R-squared, adjusted R-squared, AIC, BIC, and F-statistic.

    • Calculate the R-squared value - a higher R-squared indicates a better fit

    • Calculate the adjusted R-squared value - it penalizes for adding unnecessary variables

    • Check the AIC and BIC values - lower values indicate a better fit

    • Analyze the F-statistic - a significant F-statistic suggests the model is a g

  • Answered by AI
  • Q5. If there are 2 time series model how to check if both have same distribution
  • Ans. 

    Use statistical tests like Kolmogorov-Smirnov test or Anderson-Darling test to compare the distributions of the two time series models.

    • Apply Kolmogorov-Smirnov test to compare the cumulative distribution functions of the two time series models.

    • Use Anderson-Darling test to compare the empirical distribution functions of the two time series models.

    • Plot histograms of the two time series models and visually inspect for sim

  • Answered by AI
  • Q6. Is duration adjustment always +ve or -ve
  • Ans. 

    Duration adjustment can be positive or negative depending on the direction of interest rate movement.

    • Duration adjustment is positive when interest rates decrease, leading to an increase in bond prices.

    • Duration adjustment is negative when interest rates increase, resulting in a decrease in bond prices.

    • Investors use duration adjustment to hedge against interest rate risk in their portfolios.

  • Answered by AI
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Walk me through your resume
  • Ans. 

    I have a strong background in quantitative analysis and have worked on various projects in the field.

    • Bachelor's degree in Mathematics with a focus on statistics

    • Internship at XYZ Investment Bank, where I developed quantitative models for risk assessment

    • Led a team of analysts to develop a trading algorithm that outperformed the market by 10%

    • Published research paper on machine learning techniques for financial forecasting

    • ...

  • Answered by AI
  • Q2. Why this particular role
  • Ans. 

    I am passionate about using quantitative analysis to solve complex problems and make data-driven decisions.

    • I have a strong background in mathematics and statistics, which are essential skills for a quantitative analyst.

    • I enjoy working with large datasets and using statistical models to uncover patterns and insights.

    • I am excited about the opportunity to apply my analytical skills to financial markets and investment stra...

  • Answered by AI
  • Q3. Why do you want to join us
  • Ans. 

    I am passionate about quantitative analysis and believe that joining your team will provide me with the opportunity to apply my skills and contribute to meaningful projects.

    • I have a strong background in mathematics and statistics, which are essential for quantitative analysis.

    • I am excited about the prospect of working with a team of experienced quantitative analysts and learning from their expertise.

    • Your company has a ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare CV well

Quantitative Analyst Interview Questions Asked at Other Companies

Q1. How would you approach the implementation of a new financial prod ... read more
asked in UBS
Q2. If there are 2 time series model how to check if both have same d ... read more
asked in UBS
Q3. If you want to check if an OLS is best fit how would you quantify
Q4. Probability and distributions, complete definition and explanatio ... read more
asked in UBS
Q5. What is yield is it same as coupon

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
-

I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Coding Test 

It was coding test where you can choose the language (python,C etc )

Interview Preparation Tips

Interview preparation tips for other job seekers - try to find info on internet and follow the market
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Past project experience
  • Ans. 

    I have worked on various quantitative analysis projects in finance, risk management, and data science.

    • Developed predictive models using machine learning algorithms

    • Conducted statistical analysis to identify trends and patterns in data

    • Implemented quantitative strategies for portfolio optimization

    • Utilized programming languages such as Python, R, and SQL

    • Collaborated with cross-functional teams to deliver actionable insight

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Jul 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Fixed income fundamentals
  • Q2. Previous job functions
Round 2 - One-on-one 

(2 Questions)

  • Q1. Previous job functions
  • Q2. Role in decision making
  • Ans. 

    Quantitative analysts play a crucial role in decision making by providing data-driven insights and recommendations.

    • Utilize statistical models to analyze data and identify trends

    • Develop quantitative strategies to optimize decision making processes

    • Collaborate with stakeholders to understand business objectives and provide relevant analysis

    • Present findings and recommendations to support informed decision making

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. Types of Chunking in data preparation in RAG
  • Q2. How Embedding works in Vector Databases
  • Q3. Explain ARIMA model
  • Q4. How can we decide to choose Linear Regression for a business problem
Round 2 - Technical 

(4 Questions)

  • Q1. What is token and it's limit for Open Source LLMs
  • Q2. Difference of a Regression and Time Series problem
  • Q3. Advantage of LSTM over RNN
  • Q4. Performance Metrics for Logistic Regression
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Detailed project questions
  • Q2. Explain completed gen ai project
  • Ans. 

    Developed a generative AI model to create realistic images of fictional characters.

    • Used GANs (Generative Adversarial Networks) to generate new images based on existing data.

    • Trained the model on a dataset of character images from various sources.

    • Implemented techniques like style transfer to enhance the diversity and creativity of generated images.

    • Evaluated the model's performance based on image quality metrics and user

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. How do you define model Gini?
  • Ans. 

    Model Gini is a measure of statistical dispersion used to evaluate the performance of classification models.

    • Model Gini is calculated as twice the area between the ROC curve and the diagonal line (random model).

    • It ranges from 0 (worst model) to 1 (best model), with higher values indicating better model performance.

    • A Gini coefficient of 0.5 indicates a model that is no better than random guessing.

    • Commonly used in credit

  • Answered by AI
  • Q2. How to you train XG boost model
  • Ans. 

    XGBoost model is trained by specifying parameters, splitting data into training and validation sets, fitting the model, and tuning hyperparameters.

    • Specify parameters for XGBoost model such as learning rate, max depth, and number of trees

    • Split data into training and validation sets using train_test_split function

    • Fit the XGBoost model on training data using fit method

    • Tune hyperparameters using techniques like grid search

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Question on Probability and basic aptitude questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Question were related to Past projects
  • Q2. SQL and Excel medium level questions
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
No response

I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. 1) What is attention mechanism (since it was mentionned in my resume) 2) What is the sde of the Heston model? 3) What is implied volatility? 4) What is PCA (machine learning question)? 5) How matrices are...
  • Ans. 

    Answers to various quantitative research questions

    • Attention mechanism is a key component in deep learning models that allows the model to focus on specific parts of the input sequence.

    • SDE stands for Stochastic Differential Equation in the context of the Heston model used in quantitative finance.

    • Implied volatility is the market's expectation of future volatility implied by the prices of options.

    • PCA (Principal Component ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the following topics : numerical algorithms, machine learning basics, optimization, stochastic calculus.

Skills evaluated in this interview

UBS Interview FAQs

How many rounds are there in UBS Quantitative Analyst interview?
UBS interview process usually has 1-2 rounds. The most common rounds in the UBS interview process are Technical and Resume Shortlist.
How to prepare for UBS Quantitative Analyst interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at UBS. The most common topics and skills that interviewers at UBS expect are Python, C++, SQL, Agile Coaching and Analytical Skills.
What are the top questions asked in UBS Quantitative Analyst interview?

Some of the top questions asked at the UBS Quantitative Analyst interview -

  1. If you want to check if an OLS is best fit how would you quant...read more
  2. If there are 2 time series model how to check if both have same distribut...read more
  3. What is yield is it same as cou...read more

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UBS Quantitative Analyst Interview Process

based on 2 interviews

Interview experience

3
  
Average
View more

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UBS Quantitative Analyst Salary
based on 52 salaries
₹7.7 L/yr - ₹28 L/yr
At par with the average Quantitative Analyst Salary in India
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based on 4 reviews

4.5/5

Rating in categories

4.0

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4.8

Work-life balance

4.6

Salary

4.5

Job security

4.8

Company culture

3.9

Promotions

3.3

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