Questions tagged [soft-question]

Questions that do not require specific technical expertise in order to answer properly. Questions must be of particular interest and usefulness to professionals and academics to qualify as on topic.

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32
votes
15answers
8k views

Good quant finance jokes

Have a good quant joke? Share it here. The principle "should be of interest to quants" trumps. I would be particularly keen to learn jokes which involve some nontrivial finance/mathematics. I am ...
-1
votes
1answer
130 views

Is it fair in an introductory stochastic calculus/derivatives pricing class to ask for the price when absence of arbitrage is violated? [closed]

Re close votes: I believe this is a fair kind of opinion-based question because it's like those ethics questions in academia se or workplace se or because it's pedagogical. Context: I'm actually ...
2
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0answers
72 views

Book recommendation on portfolio theory [duplicate]

I am searching for books to self-study on undergraduate level on introduction to portfolio theory that has more math rigor than Modern Portfolio Theory and Investment Analysis and exercise with ...
0
votes
0answers
53 views

Rationale for Historical Volatility definition

I think I understand the most common definition for historical volatility (standard deviation of log returns), but it has me puzzled because it conflicts with my intuitive idea of what volatility is. ...
6
votes
1answer
315 views

What are the differences between Pareto, Fréchet, power law, fat tails and fractal?

I do get that these concepts are well-defined, but I am referring to extreme value theory in particular, and the fact that these ideas are often tossed around as synonyms, leaving the details and ...
3
votes
2answers
704 views

Where can I find detailed information of famous quant companies such as Renaissance Technologies?

I am doing a report about famous quant companies such as Renaissance Technologies. Where can I find information such as ranking of these companies and their fund's rate of return.
1
vote
1answer
503 views

Making a beeline to statistical arbitrage

This question is somewhat related to my previous question here but has not been addressed in any other thread. The answer in that thread hit the nail right on the head with that one line "...
2
votes
2answers
143 views

Discussion on random matrix theory and impact on PCA

I've written a paper for university on Random Matrices and during my research I've had an interesting idea, let me explain: Wigner's Semicircle Law has seen much advancement since its original proof ...
2
votes
2answers
809 views

MLFinLab package for financial machine learning from Hudson and Thames

Has anyone tried MFinLab from Hudson and Thames? The full license is not cheap, so I was wondering if there was any feedback. (Github repository)
1
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0answers
35 views

How could the WTI future price be as low as -40 on Apr 20? [duplicate]

Were there any known high-frequency firms suffer from it? As the brent price stays normal, I believe that many algorithms would have recognize that price different as an arbitrage opportunity. For a ...
5
votes
1answer
805 views

Pre-requisite math books, to the pre-requisite math needed to become a front desk quant

This question is about the pre-requisites to the pre-requisite math needed to become a front desk quant. I have done research online and I found that there are a lot of recommended books as a pre-...
1
vote
0answers
80 views

Master's in Mathematical Finance [closed]

Question: I currently graduated with a Bachelor's in mathematics. I have taken classes in analysis up to and including introduction to measure and integration theory, probability theory without ...
3
votes
3answers
489 views

Works of Nassim Taleb

I am looking to find the list of math/statistics papers of Nassim Taleb. However the google scholar page only seems to show popular articles. I know that he's famous for his theory of randomness and ...
23
votes
1answer
1k views

What is the trickiest thing to get right in Rates Quant recently (2019)?

What are the biggest challenges for Rates Quants in 2019? Most quants have been through a lot over the past years-shifting their SABR models in JPY swaptions, fixing the FVA models for negative rates, ...
1
vote
0answers
341 views

How to reasonably aggregate returns across both different assets and different time-horizons?

This might be a somewhat open question, so any suggestion of improvement is welcome. Suppose at time $t=0$, we have $N$ different assets whose weights are $w_1,\cdots,w_n$ ($\sum w_i = 1$), and they ...
3
votes
0answers
106 views

Regarding the post-facto predictability of stock market returns

Almost all of the research on equity factor investing deals with a priori predictability of the cross-section of stock market returns (i.e., models which use variables and data that would've have been ...
1
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0answers
99 views

What would it take for quants to use "quantlib" [closed]

Apologies in advance if open questions are unwelcome. As ISDA and CCPs are beginning the slow but sure process of derivatives valuations, it starts to make sense to open source good methodologies. ...
4
votes
1answer
129 views

"Dusty Corners of the Market" and Limits-to-Arbitrage

In his 21 November 2014 blog post, Dusty Corners of the Market, John Cochrane seems to imply that certain areas of the market tend to be more resilient to the forces of arbitrage and efficiency. The ...
1
vote
1answer
66 views

Knightian Uncertainty Iff Bayesian Probabilistic View Point

If an investor operates under knightian uncertainty, does that investor then have a Bayesian viewpoint on probability implicitly, and vice versa? Has this been answered or do I have a poor ...
0
votes
2answers
126 views

Who benefits from more fair market?

An year ago, I asked the hedge fund owner I worked for: "What is the main benefit for the people, the society and the market from what the hedge funds do?". He simply answered that "They make the ...
1
vote
0answers
67 views

Probability distributions as solutions to differential equations

As far as what I can tell, the popularity of the Black-Scholes-Merton model partly stems from the fact that it formulates the value of a derivative in a differential form in which the solution has a ...
2
votes
1answer
282 views

Is it necessary to enter quantitative finance directly after a PhD or is taking time out to 'study up' considered acceptable? [closed]

I will graduate with an applied mathematics PhD within the next few months. My research has been on mathematical/numerical methods for waves in liquids and gas. I have received unsolicited emails ...
1
vote
3answers
262 views

The ambiguity of the term "duration"

This is a soft question about terminology. Let B be a bond with coupon payments. There seem to be two uses of the word duration in finance: Sensitivity of B's log price to B's continuously ...
1
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0answers
47 views

Volatility taxonomy

I have been thinking about this for a while... I can't make my head around it because of the gap that there's still on between financial economics and quantitative finance. Usually, when a student is ...
0
votes
1answer
146 views

What are good online resources for credit portfolio managers?

I am aware that this question is not the typical quant.SE question, BUT I couldn`t find any site/forum/wiki, where credit portfolio managers hang out to share their experience and their methods. ...
1
vote
2answers
413 views

Trading Interview Question (Bullish, Bearish)?

I recently had a trading interview, and they asked this question. However, I had no idea how to answer it, and I was wondering if you could help me undersatnd it. Say you have a set of returns ...
1
vote
0answers
154 views

Interview questions pictures [closed]

I got this questions which is quite interesting, I am in a museum, there are 100 rooms (numbered from 1 to 100) in this museum and each room has a picture in it. I go visit each room in the ...
1
vote
3answers
182 views

Buy side techniques

I was speaking with a friend of mine about what techniques are used for quantitative investment management, and he told me that, when assuming active positions on the market, even in high-frequency ...
3
votes
0answers
38 views

conferences for credit portfolio managers

What are worth conferences for credit portfolio managers? I appreciate your recommendations! PS:I am aware that this question is not the typical quant.SE question, BUT I couldn`t find reliable ...
1
vote
1answer
487 views

Information on books about mathematical finance

In the past at my school the subject of "Mathematics of Derivative securities" has been taught out of two books. "Quantitative Finance" by T. Wake Epps and "Options, Futures and Other Derivatives" by ...
44
votes
8answers
15k views

Recommendations for books to understand the math in quantitative finance papers?

Can anyone recommend books that explain the math used in quantitative finance academic papers?
2
votes
5answers
191 views

What is the motivation for index benchmark?

I know that many funds have local index (i.e., SPX in US) as their benchmark. Why are investors interested in such kind of returns instead of absolute returns. From the first glance I'd think one ...
3
votes
0answers
362 views

Reference for Algorithmic Trading [closed]

I have recently started to look up algorithmic trading but I am finding it hard to find references related to this field.I am math major with a sound knowledge in Statistics, various programming ...
8
votes
3answers
2k views

Convexity of BS Equation for Call and Put

I have a simple question. Is the Black-Scholes Formula convex with respect to Implied volatility parameter $\sigma$ (for calls or put) ? When I say Black-Scholes I mean for a call the following one ...
16
votes
3answers
928 views

Empirical or theoretical quant insights that have shaped your thinking?

What are some quant theoretical or empirical insights that have shaped your thinking or provided a deeper conceptual basis for explaining returns and risk?
-1
votes
1answer
1k views

Is it possible to “steal” financial data on publicly traded companies off the internet? Legally, I mean, what is the truth about “data” as a property

What constitutes "stealing" when it comes to publicly posted financial data? I think there are three instances of this that we can individually vet: a.) you physically broke into a location or ...
6
votes
1answer
871 views

How to develop journeymanship and mastery in the field Quantitative Finance?

I've read the FAQ and I know that this question may be considered off-topic by the standards set forth but I think a topic such as this is a valid exception. Questions like this one have been ...
48
votes
3answers
5k views

What papers have progressed the field of quantitative finance in recent years (post 2000)?

My question is pretty simple: what papers do you feel are foundational to quantitative finance? I'm compiling a personal reading list already, drawn from Wilmott forums, papers referenced in ...
12
votes
5answers
761 views

What benefits are there to employing agile software development methodologies for quants?

Perusing the other SE network sites, particularly Programmers, I often find vigorous support for various agile software development methodologies, particularly the various values known as Extreme ...
6
votes
2answers
654 views

What does put-call parity imply about option premiums?

We know that $$C-P = PV(F_{0,T}-K)$$ When we create a synthetic forward, we buy call and sell a put at the same strike price $K$. When we buy the call why do we assume the premium is positive? When ...
3
votes
2answers
1k views

On my way to becoming a Quant [closed]

I'm currently studying for my undergrad in CS, and considering to do a grad in both CS and Math. I would like to see what you guys would recommend to prepare myself for a field as a Quant. I am ...