# Tag Info

## Hot answers tagged quants

49 votes
Accepted

### Is R being replaced by Python at quant desks?

My deal is HFT so what I care about is read/load data from file or DB quickly in memory perform very efficient data-munging operations (group,transform) visualize easily the data I think is is ...
• 1,258
32 votes

### Is R being replaced by Python at quant desks?

Instead of wild guesses about R's/python's future in the community, here some facts: The following query on StackExchange Data Explorer counts the number of questions that have ...
• 481
26 votes

### Is R being replaced by Python at quant desks?

This is interesting because I see another trend: Matlab is being replaced by R, but I guess this is another story. I use R for my academic (I am also teaching this stuff) as well as my consulting ...
• 27.1k
23 votes

### Is R being replaced by Python at quant desks?

I've used both R and Python with Pandas in a professional quantitative financial work to do both large and small scale projects. I would strongly recommend Python with Pandas over R for most new ...
• 1,561
16 votes

### Mark Joshi's book - quant interview questions

For large values of the spot S, this payout goes to infinity like the square of S. However, the hedging instruments available are vanilla options, which go like S to the first power. Mathematically, ...
• 486
14 votes
Accepted

### Why are there so few published research papers that apply Deep Learning to Algorithmic Trading?

I would say that most ML methods risk overfitting and it depends very much on the asset class. The only area where more sophisticated ML methods such as deep learning appear to make a major difference ...
• 1,028
13 votes

### Is R being replaced by Python at quant desks?

For data analysis, particularly for large data analysis project, pretty much most of the top quant hedge funds and a lot of the banks are using Python (over R) for a couple of reasons but many still ...
• 782
12 votes

• 13.3k
6 votes
Accepted

### Is being a quant as easy to look for high paid jobs as before

The kind of jobs a quant would do has changed a lot since the crisis. I wouldn’t say there is more or less demand for quants, just that there is demand for them to do different things. For example, ...
• 5,688
5 votes

### How to build a cross currency swap pricer?

I recenlty worked on a similar problem and solved it with the help of Quantlib library. Assuming you are working with EUR and USD: get cross currency (xccy) swap data EUR / USD. You want to know how ...
• 121
5 votes
Accepted

### What qualifications do the traders have that quants don't?

The right amount of confidence and courage to take risks with other people's money without shading into overconfidence and bad judgement. Especially coping with the emotional pressure of losses ...
• 9,212
5 votes
Accepted

### Is there any public data to get OIS for differal time (1d, 1W, 1M, ..., 10Y)?

So you can get depo and swap rates from markit daily, at links like this: http://www.markit.com/news/InterestRates_<cncy>_<yyyymmdd>.zip i.e. http://...
• 2,446
5 votes

### Do quants need to know bloomberg terminal and VBA?

(these are just my random opinions. Sorry, I expect many people to disagree with some of them.) Bloomberg makes no effort to make its terminals available to students - quite the opposite. Hence lots ...
• 10.4k
5 votes
Accepted

### Quantitative Finance Interview: Brainteaser Question/Birthday Problem

If the birthday would have been in June or Dec there would have been a chance that day-knowing C would have known it, because there are unique possible days-of-months in the list for possible ...
• 1,277
5 votes
Accepted

### Quantlib: How do I price a ZC bond using the Hull White model?

Here is the price in HW[4] for a ZCB at time $t$: \begin{align} P(t,T) &= A(t,T) e^{-B(t,T) r(t)}\\ A(t,T) &= {\frac {P(0,T)} {P(0,t)}} \exp \Bigl( B(t,T)F(0,t) - {\frac {\sigma^2} {4a}} B(t,T)...
• 2,866
4 votes
Accepted

### What are the advantages of financial modelling in R?

It is very hard to answer this quiz as people might be good at different at tools. For example, if you are good at VBA, then you can achieve the same effect compared to R in most cases. The following ...
• 330
4 votes
Accepted

### Free or Relatively Less Pricey Quant Finance courses online

Just an update on my playlist, It has 33 videos now, roughly 3x more vids. I have included some more general economics and machine learning and programming vids, which have relevant applications in Q ...
4 votes

### How should I develop my coding ability in order to set myself up for a quant role?

To test your programming skills, try QuantLib. Can you do interest-rate modelling with QuantLib? Can you debug the 10-level C++ template? Do you know how to use day count? Do you know how to use ...
• 2,255
4 votes

### Are questions in Joshi's book really asked at Quant interviews?

The topics are relevant, so if you find something you don’t understand then would be worthwhile brushing up on the maths. It is unlikely that someone will ask you the exact same question though, the ...
4 votes

### Multi-Period Contribution

Thanks for the example. It is exactly like my comment. Look at your weights after the first period. Are they really 80% and 20%? Lets say you have £100 to invest. £80 is invested in product A. That ...
• 5,995

Only top scored, non community-wiki answers of a minimum length are eligible