# All Questions

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### Transition Between Volatility Regimes

Emanuel Derman wrote a great paper in 1999 about volatility regimes and the adjustments the market makes during these periods (sticky strike, sticky implied tree, sticky delta, etc). Has any ...
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### Two fund separation when there's a risky asset?

I am currently reading a book which begins its portfolio theory section with the case with $n$ risky assets where it proves that 2-fund separation applies (any minimum variance portfolio is a linear ...
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### Architecture and Infrastructure for Robo-Advisor [closed]

Does anybody have any knowledge of Architecture and/or Infrastructure needed for building your own Robo Advisor. I am looking for directions to get in-depth knowledge for building your own Robo ...
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### Why does the correlation between r and V in Longstaff and Schwartz 1992 model is positive?

I am reading the Longstaff and Schwartz's 1992 and 1993. From $r = \alpha x + \beta y$ and $V = \alpha^2 x + \beta^2 y$. It was mentioned in the paper that the $r$ is positive correlated with $V$. ...
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### How to calculate monthly Return from a Momentum Strategy with overlapping Holdingperiods?

I replicate a Momentum Strategy from Rey and Schmid (2007) "Feasible momentum strategies" based on the idea from Jegadeesh and Titman (1993). I only buy the single stock with the highest past return ...
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### student-t asset path

I am trying to simulate an asset path based on a t-distribution. I found a lot of ressources and the fact that it will be difficult to do a path. But now I changed my Geometric Brownian Motion ...
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### How to calculate optimal monthly withdrawals from an investment with compound interest

I have 1.25M dollars. I want to put it in an investment with 60% annual return paid monthly and re-invest the interest to achieve compound interest. After 15 years, my principal would have grown to ...
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### What does each bar in the empirical average eigenvalues spectrum of the correlation matrix of log-returns of stocks represent?

An example diagram, taken from this paper, looks like follows: What is its physical interpretation? The highest eigenvalue, the paper says, represents market mode. So, what does the difference in ...
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### Optimal portfolio construction questions [closed]

I am working on a paper that tries to build an optimal portfolio to hedge various risks (mainly interest rate risk). I have never done this before. Which software program should I use to create an ...
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