Recently nothing else, want to send a log summarize summarize this time looking for work. First, find a teacher or siblings Quant Trading Quant job offers in one direction, the second is for the future development of their character save save.
Why Quant？
In North America, this work is basically the Chinese students to enter science and engineering major channels in the financial sector. And now the country will also have a trend in this direction. If you are a science and engineering background, or of mathematical, financial programming and more interested, try to obtain employment at the time of the field development. One of its benefits is at work can continue to learn something new, to improve their competitiveness, and working time is not long, can do other things like what they beneficial or career development in his spare time. If you are on this basis can be a little more diligent to make your own strategy to have a good profit track, and quit for future development are of great help.
How to prepare?
1. Brain Teaser preparations: these three books is a brother recommended boutique: A practical guide to quantitative finance interviews, Quant Job Interview Questions and Answers, Heard on the Street.
2. Preparation of programming and knowledge of financial derivatives: C ++ Primer, Data Structures and Algorithm Analysis, Options futures and other derivatives (This is known as the Wall Street of the Bible, that is, thick point). Jobs are not the same for different requirements of programming languages, programming languages have to be prepared: C ++, Matlab, R, Python, Perl, SAS, SQL, Excel / VBA.
3. The left is' resume, cast sea, the sea to increase the experience. I this year Internship and Full Time company no less than 1000, the home side had more than 70, 80, has scored five Offer.
Here are some of my company's interview experience for your reference:
1.Bank of American，QMAP Program
This project is Quant tube Pearson projects Bank of America in Charlotte, recruit 15 people each year nationwide. In the first few months will rotate in each department, the second year may be assigned to the office in New York, Charlotte and Atlanta. Face it was easy, but because of the large number of interviews (final round total of 56 people), fairly intense competition. A dinner the night before the interview, final round interview a total of 4 + 1 HBS Quantitative Case Presentation.
You are a rabbit, in front of you there is a cage, you really want to go see. But you can see inside the cage closed N tigers, once you get into the cage, you might be eaten by a tiger, but the tiger will eat you become a rabbit. Assuming that each tiger are particularly clever, you will not inquire into the cage?
There are 25 people in the class, there is a head of the seat, and everyone wants to sit. But the teacher To be fair, a student at random each day to sit. Ask everyone to sit through the 95% confidence interval of the number of days required for that seat.
Some basic SQL and SAS code. Multivariate Linear Model, Logisitic Model and Time Series Model of Assumption, Diagnosis, and derive the parameters field.
Their home is pretty good project, there are a few places in the second year of opportunity will be sent to Merrill Lynch in New York front office's trading strategy.
2.World Quant
Since the first half of this year, it took part in a competition, and have achieved good results, so only face three rounds.
C ++ inside Inline Function, Virtual Function, Bubble Sort content and principles.
Moderator designed a game, there are three contestants participate: Moderator secretly randomly select a number from 0-100 N, three men in turn reported a number (the three people that everyone can hear the number two others reported, they reported that the number can not be repeated). After completion of the host newspaper disclosed that he chose the number N, the number of mid-year report of three contestants with the N closest man can get 1 million prize, inquired: Are you willing to be the first of several participants reported that the number, you What strategy?
N Do you have a trading strategy, each of which generates a three-day PnL (3 months PnL), inquire if you can find the maximum of N, so that these strategy Correlation PnL between each two less than 0.7?
An arithmetic problem: Josephus Problem.
3.TrexQuant
one in Connecticut Stamford, a Hedge Fund, reportedly the industry's good reputation, pay is high, but the company is relatively small, it is said this year's performance is also very general.
There is a Matlab's project, came up with idea of a trading strategy and implement it.
Do you have a pole balance, and have the same appearance of 12 balls, 11 balls exactly the same weight, but there is another ball is defective (it is either important it is lighter than other balls than any other ball). Inquired Can you say that a defective ball with a balance within three followed?
4.Zions Bank
A commercial bank headquartered in Salt Lake City, reaffirmed Quantitative Risk Modeling department of their home, people are very nice.
You can shake a dice, and you can get to shake the amount of money, if you do not like the number for the first time, you can give up the first time and then shake again. If you do not like the second time, you can give up a second time and then shake again. But by the third time, you can only get a third of the number of dice money away. If this game requires an entrance fee, how much money you are willing to pay up to play.
What Logistic Model of error distribution and the liklihood function that?
SQL code problem.
Street 5.Jane
12 years in Hong Kong, Shen once internship, the next morning, according to; 13 years in the United States apply once internship, face the first round rejected, 14 years Shen had a full time, brushing the glassdoor 400 multiple questions, and then to hold the third round.
Do you have a love of horses A, B it and another horse to participate in a game - seven (who should win at least 4 innings to end the game). Every time you can bet, if the authorities A horse wins, you win your bet to the number, if the authorities A horse lose, you will lose the next injection. In the beginning you have 1000 dollars, to inquire of you bet strategy, making the whole game after the end, you either win to 2000, or gambled away all the money.
Before throwing a 30 dice faces, you and I are in the order reported a number from 1 to 30 (two numbers can not be repeated). If the number of throw out the dice and the number who reported out of the closest, who will be able to get the dice throw out the amount of money to go. Would you still willing to count off the number reported, the number of which you will report?
There is a dice 100 surface, you can get you thrown out of the amount of money to go, but every time after you throw out, if you do not like that number, you can throw out a dollar once again, until you are satisfied take the money and go so far. Inquired what your strategy is, profit expectations is how much?
If the above subject changed to 1000 dice face, what your strategy is, how much is expected? Please answer within 10 seconds.
I am a bloodthirsty pirates, I grabbed 50 intelligent people on board, you are one of them. After a little, I will separate you into different cell, then you will be randomly drawn a person called into my room, my room inside a cup (a cup initially upright, but each person can choose to come in the cup inverted or upright). The man left, I would randomly selected a person called into my room (people entering the room can be repeated). This step is repeated. Now I'll give you some time to discuss, let you discuss a strategy. I called several people make after you have at least one person can determine all I had 50 people call into the room?
How many aircraft now in heaven?
All questions can not be used pen and paper, and to think aloud while aside and said to the interviewer wants to hear.
6.Two Sigma
This year it is "boiling" of a Hedge Fund, in New York. HR to start your phone and do a two hours of Coding Project, and then face the first round of the Indians.
Negative interview very experienced, do not know each other very articulate, and you tangle with a very simple model pulled a half an hour. . .
7.Peak 6
in a well-known Prop Shop in Chicago, in the face of the On Campus Trading Associate.
To tell you the rules of a game, a quick calculation and throw dice games.
8.Citadel
face the Trading Associate their home and FTAP Internship Program.
Basic knowledge of C ++, Inheritance, Pure Virtual Function, Binary Tree, etc.
We go to a restaurant, front desk eight different types of pizzas, each pizza is cut into 12 equal parts, and now I got three back, and give you two, yourself one. You're greedy, that's not fair. I would like to use a way to prove your area of two equal and if I told this one area. Ask how to achieve?
9.Constellation
A Baltimore's energy trading company.
Why Monte Carlo Simulation is more difficult for analog pricing American options?
Spread Option to introduce you to the definition, inquired if the two asset if the correlation increases, the price of the option how they change?
In the delta hedge them, will delta value of your option in what intervals? Greater than 0? Greater than 0.25?
There is a box there are N number of white balls, every time you draw a random out, if it has not been marked, you can mark it and put it back. If it is marked, and you do nothing and put it back. Inquired how many times you need to put all the white balls are marked finished? (Expected demand), the answer is no converge and prove? If N = 100, how to estimate your answer?
10.Axonic Capital
NYC a medium-sized hedge fund, earlier this year, Shen internship, from 10 am to 16:30 face, no rest not to eat lunch.
The probability of rain today is 60%, if it rains today, then the probability of rain tomorrow will be a 10% increase on that basis, if it does not rain, the probability of rain tomorrow reduced by 10% on that basis. Tomorrow the day after tomorrow is also the case. And so on, to inquire of the end result will always be the probability of rain would it be?
Orally demonstrate why It is never optimal to early exercise an American Call Option.
Port 2 to the power operator 20.
Between 1-10000, the number 1, number 0?
The N Asset, correlation between each two are pho, pho can inquire whether to -1, and obtains the interval of pho?
11.Akuna Capital
Chicago-based hedge fund, CEO born in Optiver.
Math-speed computational problems.
If the Expiration Date in advance, Gamma distribution Call Option of how transformation.
Some game theory game.
12.Optiver
a programming problem, the available Python and VBA. It requires simple and Efficient.
Interview Scheduled on next week.
Process in general, preparing for interviews and job interview is very interesting. Many industry interviewer is very nice, each interview is a learning, regardless of the outcome, they are willing to put some of their own idea to pass on to you. I hope this information can help you job search Quant.
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Further Reading: a confession quantitative trading strategy division