Citi interview Summer Analyst – Quantitative Trading & Analysis

Hello, I am a MA of Econ student at NYU. I just received an OCR interview (30min) with Citi, and the position is Summer AnalystQuantitative Trading & Analysis.

I honestly don't know why they invited me for this interview as I have only taken a few calculus, differential equations, basic statistics class (like econometrics) and c++ classes when I was an undergrad.

So I was wondering if anyone knows:
1. What the interview will be like? Are there going to be a lot of math, programming or brainteasers questions?

2, Any advice on how to prepare for this interview based on my academic background?

Thanks a lot!

ps: Below is the selected job description:

Summer Analysts can expect to build tools and models that assist traders and clients in pricing, hedging, and structuring of securities, and provide critical information and advice for managing risk across all market trading units. Summer Analysts can also expect to be involved in research and analysis that is distributed both internally and to our clients.
Although the program includes formal training, the heart of the program is a research project. This project allows Summer Analysts to work directly with a research analyst to develop an understanding of a specific segment of the market and contribute to the research produced by the department. Examples of possible project topics include the following:
• Modeling financial products such as Mortgage-backed Securities
• Creating a survey of banking and thrift industries
• Developing a system for analyzing data
• Contributing to a bond market strategy publication



 

you don't need to know programming in the first round eventually they will test you on it if you make it far enough, but I don't think its important at all for getting an SA position

don't remember that clearly but I'm also fairly certain you're not going to get tested on advanced math or stats I would expect probability brainteasers (flipping coins, expected values of dice games, etc) more than anything else

 

there aren't any others that i know of

I think most banks have normal s&t programs, which obviously have some quantitative types in them, and then they recruit quants separately to do research/support roles but i don't think there's another bb program that specifically recruits quantitative types for possible trading roles

 
bobjoebill:
Going to a Citi quant trading and analysis 1st round in a few days, and I was just wondering what kind of question they might ask. I did a few search on WSO and found answers ranging from brainteasers to fit to markov chains and martingale. Does anyone have any additional insight on how to prepare?

btw don't know if this will affect the type of questions I get, but I'm in a biomedical engineering major, and so we don't really learn stochastic calc

What do markov chains and martingales have to do with stochastic calculus? I take it you've never taken a probability course?

 

Ok, Markov chain questions will have something to do with Monte Carlo, Martingale theory is the core of option pricing... I don't doubt the importance the topics. All I am saying is that since he has that interview with a bulge bracket coming soon, it's better off to prepare option pricing theory (and other contingent claims for that matter) directly, rather than going back to pick up the whole subject of random processes.

 

brainteasers, prob...alot of caracter stuff..in case you fail the teasers, if you also suck at presonality youre gone.

theyre looking for a fit...dont need to be a genius..tons of morons work in this field...but then again, there are more smarter ppl than dumbasses... stay calm, reason, and if you fail, stay calm

 
Batrick Pateman:
brainteasers, prob...alot of caracter stuff..in case you fail the teasers, if you also suck at presonality youre gone.

theyre looking for a fit...dont need to be a genius..tons of morons work in this field...but then again, there are more smarter ppl than dumbasses... stay calm, reason, and if you fail, stay calm

I saw the same post in my school career website. And I thought they were looking for more quant-type people, probably not to the level of understanding everything about stochastic calculus but somewhere between basic calc and stochastic calc. Correct me if I'm wrong

 

[quote]but somewhere between basic calc and stochastic calc. Correct me if I'm wrong[/quote}

there is a LOT in between basic calc and stochastic calc lol...probablity theory, PDE, ODE, Real Analysis etc... i think that position might be appropriate for grad students, because i've seen a similar posting in my school's career website too, and the requirements for that position looked pretty much like what one would expect from a masters/PhD student

 

it wasnt that hard at all

couple questions:

showed me a triangle, one side = 6, another side =8, third side = x, what's the range of x... obviously between 2 and 14 then

what's the probability of x being 10 (assuming x can only be integer)... obviously 1/11 since x can only be 3-13, so 11 choices, 1 of them is 10.

then

x^3+7x^2.. what's the smallest prime number x that would make this a perfect square assuming x > 2... obviously 29 because you factor it you get x^2(x+7).. x^2 itself is a perfect square and 29+7 = 36

 
hellogoodbye:
it wasnt that hard at all

couple questions:

showed me a triangle, one side = 6, another side =8, third side = x, what's the range of x... obviously between 2 and 14 then

what's the probability of x being 10 (assuming x can only be integer)... obviously 1/11 since x can only be 3-13, so 11 choices, 1 of them is 10.

then

x^3+7x^2.. what's the smallest prime number x that would make this a perfect square assuming x > 2... obviously 29 because you factor it you get x^2(x+7).. x^2 itself is a perfect square and 29+7 = 36

None of that was obvious to me ... far from it. Sounds like it went well for you though. Good luck.

 
Best Response

Which group had the nicer people? (Incidentally people who have less stressful jobs that pay more $$ per hustle tend to be nicer people) Where was there a better cultural fit?

Quants tend to have a very distinct culture from S&T. In fact, we probably have more in common with research than we do with trading.

In terms of strategy research vs. trading, I know S&T is the hot place to be, and sitting with the traders is a lot of fun, but the quants in research tend to have an easier time of moving over to the buyside. You're learning the statistical tools to build and test a trading strategy. Working on the trading floor, you'll probably be more focused on trade analytics and/or pricing.

But my sense is that you're not asking this question only because you want to work on the trading floor. Something else is going on. Maybe you liked the people at Citi a bit more than at GS. Maybe they seemed less stressed out. Is it just that you want to be on the trading floor, or is your gut also telling you something here?

My vote is that unless you want S&T (and don't want to be a PM at a hedge fund in ~10 years), go with research. But the people you work with get to veto that. It's better to take a job in a mediocre group with excellent people than to take a job in an excellent group with mediocre people.

 

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