# All Questions

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### About the boundary conditions of the Black-Scholes-Merton PDE

I have a question about the solution of the Black-Scholes PDE for the European call option when I read the book Stochastic Calculus for Finance II of Steven E.Shreve. Let $c(t,x)$ be the value of the ...
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### Calculating discount factors using Nelson Siegel Svensson model

I am trying to understand how to calculate the discount factors $disc(TTM)$ mentioned on Page 9 of this pdf. When I'm calculating the discount factors, mentioned each bond has its own cash flow and ...
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### optimization with absolute constraints

Suppose I have an optimization where I need to impose ADV-like constraint (for a case where Shorting is allowed): $\max \mu'w - \lambda w'\Sigma w$ $|w| \le V$ $Aw = 0$ and I want to use a ...
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### Correlation Between 2 Portfolios

I have a set of assets, n. I'm trying to find the correlation between 2 portfolios, say x and y, where x is nested in, or, a sub-set of y. That is, x is a portfolio based on a sub-set of n, while y is ...
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### Newbie Quant: Bulding price feeder to securities master db

First of all, warm hello to all. I am newbie and i admit it, but with at least 15+ years of exp in C++. Working in IB - derivatives mainly, but unfortunately on the business side not trading at all. ...
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### Careers in finance for postgraduates? [on hold]

Having read through similar topics, I see these questions are often poorly received, so apologies if this is not the place to ask (would appreciate if someone could redirect me). I shall try to be as ...
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### Are all stocks and stock indexes just white noise

In the paper Super-Whiteness of Returns Spectra from Erhard Reschenhofer of University of Vienna it is commented the following "Until the late 70’s the spectral densities of stock returns and stock ...