# All Questions

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### What is the importance behind an efficient frontier to be a straight line in the standard deviation-mean plane for Mean-Variance Portfolio Selection?

I'm currently working on a research project regarding Continuous-Time Mean-Variance Portfolio Selection problem. I got curious on why is it important for the efficient frontier to be a straight line ...
101 views

### What is the heat-map method of calculating VaR?

I'm familiar with the historical full revaluation, VcV, and Delta-gamma methods, but a client keeps talking about a heat-map method and I'm not sure what he's talking about. Any ideas?
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### Step By Step method to calculating VaR using MonteCarlo Simulations

In trying to find VaR for 5 financial assets with prices over a long period of time(2000 days worth of data) how would I do the following: Carry out monte-carlo simulation in order to find a VaR ...
23 views

### Cash Flow for Operating Cost, Sheldon Ross Question

In his An Elementary Introduction to Mathematical Finance, 3rd Edition book, pg. 55, Sheldon Ross has a question - A company needs a certain type of machine for the next five years. They ...
52 views

### Is there a way to meaningfully generate daily returns from monthly?

I have a set of 7 investments in a portfolio and I need to optimize the weightings based on some exposures to various markets/styles/economic factors. I was hoping to do some sort of simple exposure ...
38 views

### Deduce expected exposure profile from option/structure delta?

I am thinking about whether there exists a relationship between the delta of an option (or any structured derivative) and it's expected positive/negative exposure? An intuitive question would be ...
25 views

### Error using ghyp-distribution function

I want to fit multivariate GH distribution on my data, and then generate simulations for that distribution. Using the instructions given in ghyp package, I wrote following lines of code in R. ...
193 views

### Can I use PyAlgoTrade for Forex?

Is it possible to use PyAlgoTrade for Forex related algorithms? If it is, please point me in the right direction on how to get PyAlgoTrade to work on Forex data.
163 views

### Calibration Merton Jump-Diffusion

Consider the following SDE $dV_t = rV_tdt +\sigma V_t dW_t + dJ_t$ where $J_t$ is a Compound poisson process with log-Normal jump size $Y_i$. How am I supposed to calibrate this model to CDS ...
3k views

### SPX options vs VIX futures trading

Forward volatility implied by SPX options, and that of VIX futures get out of line. If there existed VIX SQUARED futures they could easily be replicated (and arbitraged) with a strip of SPX options. ...
87 views

### Where to find daily European value factor data?

Kenneth R. French website only provides monthly European factor data. I want to track this data daily. Here's what I tried: MSCI Europe Barra Value Index - it's long short 130/30, not 100/100. ...
134 views

### How to perform risk budgeting for non-linear portfolios?

I am using this question to compute optimal weights following a risk budgeting approach. The problem is I am using non-linear portfolios (options,equity,fixed income,fx). What I am looking for is ...
54 views

### Yahoo data meaning of “close” and “adjusted close”

When there's a 2-for-1 stock split, the number of shares doubles, while the value of the stock halves For symbol 2154 on the Tokyo Stock Exchange, there was such a 2-for-1 split on 2016/3/29. ...
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### How to express the volatility of two correlated Ito processes $Wt_1, Wt_2$ expressed in terms of $W_t$?

Having two correlated Ito processes ($W_t^1$ and $W_t^2$ are correlated Brownian motions with correlation $\rho$) $dX_{t} =\mu_{1} dt + \sigma_1 dWt_1$ $dY_{t} = \mu_{2} dt + \sigma_2 dWt_2$ ...
47 views

### Easy question (?) - how to measure if volatility for two samples is significantly different?

For my bachelor thesis I'm doing a research where at one point I want to measure if volatility for a certain sample of stocks in period A is significantly different from i) the same sample of stocks ...
612 views

### Open source equity/bond index data

I have been using the tseries package of R (get.hist.quote) to get historical quotes for various indices from yahoo finance. I am interested in DAX, VDAX, EB.REXX ...
41 views

### Non-contractual accounts behavioural study

I need to carry a non-contractual accounts behavoiural study for a bank. The objective is to estimate core/non core ratios and then bucket and ftp them. Any recipe where to start? I have 3yrs of ...
43 views

### Compiling QuantLib example

I have followed the guidlines for installing QuantLib for mac from here http://quantlib.org/install/macosx.shtml and also fixed the flags using the commands: export CXXFLAGS = -stdlib=libstdc++ ...
90 views

### SABR Implied Volatility and Option Prices

I am trying to understand SABR model. I am having difficulty to understand how to calibrate ABR a) the initial variance b) the volatility of variance c) the exponent for the forward rate d)the ...
24 views

### Convert 90-Day Tbill to risk free rate on continuous basis

I am trying to use the BS formula to compute the value of a call option. To do that I need the risk free rate on a continuous basis. As far as I know, people typically use the 90 day TBill as a proxy ...
107 views

### How to automatically get all options data for a particular stock into microsoft excel?

I'm looking for a way to get the entire options chain (All options expiries) for a particular stock in excel without manually copy pasting anything. It does not have to be real time and I will only be ...
31 views

### how to measure a event driven strategy?

How to measure an event driven investment strategy? Say I have a strategy which I assume that if a firm has positive momentum and it has a refinance corporate action, it's value will increase. For ...
26 views

### arbitrage proof question

prove the condition $D<R<U$ is equivalent to the absence of arbitrage: R = risk free investment rate of return. U and D are returns corresponding to the upward/downward price movements of a ...
222 views

### Up and Down days in GBPUSD and a Filter

I want to study if the odds of an up or down day in a forex pairs is 50-50. I just count the total number of up and down days in X years and compare it with the total days. The results are very ...
81 views

### VEC GARCH (1,1) for 4 time series

I have to estimate a VEC GARCH(1,1) model in R. I already tried rmgarch, fGarch, ccgarch, mgarch, tsDyn. Has somebody estimated a model like that? ...
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### quantlib python : missing methods?

I'm reading Introduction to Selected Classes of the QuantLib Library I by Dimitri Reiswich and tries to "convert" it to Python. It seems to me that some C++ possibilities aren't available in python. ...
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