Tag Archives: BOA

Where to hide in next recession according to BoA

Where to hide in next recession according to BoA

This is all according to Bank of America but there might be some validity in real estate but China small equity?

Commodities, bonds that protect against inflation, real estate and the equities of small Chinese companies compose the shopping list for Bank of America Corp. if the world economy slides into recession next year.

To read the entire article, go to http://bloom.bg/1juo4Zz

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#BOA #China #investment index Rose 7% and then drop 2%

index Rose 7% and then drop 2%

[igp-video src=”” poster=”https://quantlabs.net/blog/wp-content/uploads/2015/07/BOA-China-investment-index-Rose-7-and-then-drop-2.jpg” size=”large”]
#BOA #China #investment index Rose 7% and then drop 2%

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Ultimate use case for using MATLAB Simulink for your absolute lowest latency in HFT with FPGA? Citi, Goldman Sachs, BoA, etc

Ultimate use case for using MATLAB Simulink for your absolute lowest latency in HFT with FPGA? Citi, Goldman Sachs, BoA, etc

This is what we call the smoking gun!

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This came from my usual Youtube visitor. This has to be the best resource I have see yet for my pitch on why you should use this combo. Say no say no more.  Booya so big thanks to him for this great resource!

http://www.kunnskapsdugnad.no/ikbViewer/Content/838205/13%20FPGAs%20in%20Algorithmic%20Trading%20with%20MATLAB%20and%20Simulink%20-%20Jonas%20Rutstr%F6m,%20Math%20Works.pdf

Note all the major banking clients doing it like Citi, Goldman Sachs, BoA, Lloyds. Do I really need to say anymore?

 

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Here are some very good tips to ace BOA and other investment bank job interviews for quant or developers

Here are some very good tips to ace BOA and other investment bank job interviews for quant or developers

This was from Linked In. Here is a question on what to focus when it comes to Quant based jobs:

Hi people,
I an a new member to the group.
I have an interview with BOA for equity derivatives quantitative analysis. Does anybody know what kind of questions could be asked for this position?
What should I prepare? Should I brush up my VBA and C++

You should revise black scholes, some standard stochastic calculus problems (involving the use of Ito’s lemma, simple stochastic integrals), revise probability theory (conditional, marginal, joint, independence, expectations, moments), look at various option greeks, pricing of digitals, local volatility and stochastic volatility (at least conceptually). In C++, look at inheritance, virtual functions, sorting algorithms. Good luck.

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Bloomberg interview questions or BOA interview questions for a C++ job? Answers included too

Bloomberg Q&A
I got phone interviewed with Bloomberg.
1)diff bet class and structure
2)syntax of copy constructor
3)why we need copy constructor?
4)why we need overloaded = operator?
5)signature of overloaded = operator for a class?
e.g. Myclass & operator =(const Myclass &)
6)why & used in return type of = operator ?
7)suppose :

class Myclass{
public:
Myclass(int a){m=a;};

private :
int m;
};

a)how will u create an array of objects of Myclass on stack?
b)how will u crete an array of objects on heap?

8)what precautions should be taken to write a class’s destructure?
9)what will u do to prevent others from creating more than one instances of ur class?
10)how will u make singleton thread safe?
10.1) what problem may occure with singleton at run time?
11)what is diff between “operator new” and “new” ?
12)what happens if new fails to allocate memory?

1. By default class has private access specifier and structure has public in C++.
2. MyClass(const MyClass &)
{
}
3. To create a copy of existing object.
4. By default = does a shallow copy so if your class has pointers to some other data type except inbuilt one then a shallow copy would be done and it may result in dangling pointers.
5. const MyClass& operator = (const MyClass &)
{
}
6. So that chaining can be possible like below
x = y = z = 10;
8. The class destructor should never throw an exception. A destructor can be called in 2 ways.One when an object goes out of scope and 2nd when stack unwinding happens.So if a destructor is called due to stack unwinding and it throws an exception then C++ unexpected is called which calles terminate which terminates the whole application.Nothing is destroyed not even local objects.
9. Make class Singleton.
10. Use Mutex to warp the code where instantiation happens.
11. Operator new allocates raw memory only.It is similar to malloc() in C.
new first allocates raw memory using operator new and then calls constructor for the class.
12. bad_alloc exception is thrown.

7a.
Myclass myclass[10]; will not work.This statement would give a compile time error as the class lacks a default constructor.

To construct the array on stack it would be done like below

int i[] = {1,2,3,4,5,6,7,8,9,10};

MyClass myClass[10] = {1,2,3,4,5,6,7,8,9,10};

—> ” Myclass *myclass = new MyClass[10]; ” here new will allocate memory and creates object as well, by calling its default constructor. During compilation, You will encounter ‘No appropriate default constructor available’ error.
Rest of the code is also error.

The correct answer to 7b is:

MyClass* mc[10];
for (int i=0; i < 10; i++) mc[i] = new MyClass(i); <--- it will call user-defined constructor here. To point#8, it is necessary declare it as "virtual" also if the destructor is called by a base pointer: class A {...}; class B: public A {...}; ... A* pA = new B(); ... delete pA; If A destructor is not virtual only A destructor is called. BOA questions 1) Type of stl containers 2) difference in composition, agregation,association. 3) Predicates 4) Deadlock and Starvation 5) Raised condition 6) Diff in Conversion ctr and explicit ctr 7) diff in has_map and map 8) explain hash_map and bucketing 9) virtaul inheritance, diamond problem 10) function adaptors 11) fucntors 12) function objects 13) in how many ways two classes A and B be related to each other. 14) diff between vector and dqueue 15) Repopulation of dqueue and its complexity. 16) types of iterators 17) how would you implement a map. 18) concept of immutability.

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