All Questions

0
votes
1answer
29 views

Wholesale credit risk management

Trying to read up on "Wholesale credit risk ", can't find any useful references, why the emphasis on wholesale? - Any help greatly appreciated.
2
votes
2answers
151 views

Is linear programming important for quant?

I'm thinking about taking a course on Linear and Convex Programming, but I don't know how useful it is in the real world finance. Which areas in finance is mathematical programming used?
0
votes
0answers
24 views

How to compare the volatility of quarterly p&l of two firms in the same sector?

I want to compare the volatility of the historical quarterly profit and loss data of two or more firms operating in the same sector and determine whether the volatility of p&l of these firms is ...
0
votes
0answers
22 views

negative probabilities in the bivariate tree heston model

I am trying to implement the bivariate tree approach for the Heston model by Beliavea & Nawalkha. I currently have the problem that given the specifications in their examples, I always obtain ...
0
votes
0answers
16 views

how to determine the Cost of Fund (FTP rate) for Saving Account?

Saving Account are the deposit account that gives customers very low, almost 0%, interest. Currently the calculation of its cost of fund is, in a simplified way: assume a deposit duration, e.g. 1 ...
2
votes
5answers
168 views

Option pricing ? Where to get the dividend yield from?

I'm trying to apply Black & Scholes formula for a real example to price a vanilla equity option but I'm strugling a little bit whith the dividend yield. Let's assume I have a stock that trades at ...
3
votes
2answers
131 views

Factor model assumptions

I was reading on Factor Models in the book Quantitative Risk Management by McNeil, et al. In section 3.4.1 they introduce a linear factor model $$X = a + BF + \epsilon,$$ where $X \in R^d$, $F \in ...
0
votes
1answer
24 views

y-axis unity of density probability function

What is the unity/interpretation of the y-axis of a density distribution function? The X-axis is the values of the random variable, the area is the probabilty what about the y-axis ?
1
vote
1answer
120 views

Locked or Crossed Markets

I don't understand why Rule 610 from Reg NMS was introduced: what was the problem with locked markets? I have read that one of the issues is that it forced a market maker (say, from Nasdaq) who ...
0
votes
1answer
69 views

Difference in weekly and monthly data

I am confused about the following: I checked daily and weekly prices for Exxon (and also GE). But the values for Open, Low, High, Close, Vol., Adj. Close for both data streams seem to differ from each ...
0
votes
0answers
137 views

Bloomberg Pricing Sources: TRAC vs. BGN vs. BVAL etc

Sorry, I'm very new to using Bloomberg as a tool, so please forgive the naïve question. I couldn't find much information after some cursory online searches, so I figured I'd ask here. Particularly ...
1
vote
1answer
99 views

Historical Value At Risk on option portfolio

I am new to Value at Risk subject in fact everything related to quant. Can any body validate the Value at Risk Model on the option price ? I am using a below explained approach . our portfolio ...
0
votes
3answers
163 views

API-based equity screeners?

I know there are APIs from different brokers that allows you to trade and also obtain information about specific companies, but I wonder if there are equity/asset screeners that are API-based and can ...
1
vote
0answers
58 views

Game theory and antagonistic games in trading

In one of the topic here, particularly in the comments, i saw a link to the page describing connection between Antagonistic Games and finances but i cannot find it now and would appreciate if somebody ...
0
votes
1answer
165 views

Why most of apple stock price since 10years have been gained overnight?

I've been playing with stock data and I've discovered a terrible truth : in 10 years apple stock price passed from roughly 3\$ to 100$. However this gain isn't due to intraday price variation ...
1
vote
1answer
101 views

Different ways of portfolio optimization

There are different ways to optimize portfolios: $$ \max R^Tw\tag{1}$$ or $$ \min w^T \Sigma w\tag{2}$$ and finally using a risk tolerance $\lambda$: $$ \min{(w^T\Sigma w-\lambda R^T ...
1
vote
1answer
48 views

What is Equity Asian Hybrid?

As listed in http://www.vectorrisk.com/Views/Solutions/ProductList.aspx What's an Equity Asian Hybrid? Any references? What is exactly a hybrid product?
2
votes
1answer
86 views

What is some prerequisite book that can help me to read “mathematical methods for financial markets”

What is some prerequisite book in mathematics or finance that can help me to read "mathematical methods for financial markets"? I found a lot of difficulties when try to start to read the PDF of this ...
3
votes
9answers
325 views

Why would there be a positive risk-free rate?

Most financial models include a risk-free rate or risk-free asset. Why should there be such thing as a positive risk-free rate? I dont see why an asset would provide a positive (real) return if it ...
0
votes
1answer
48 views

Does the correlation of matrices has explanatory power when building a pattern recognition model?

I'm using 8 different variables (with daily observations) with the purpose to compare different months across the historical data. For that purpose I calculate the correlation between each month and ...
1
vote
0answers
76 views

In what kind of stochastic process Ito's lemma is adopted?

I have been told that Ito's lemma serves as the stochastic calculus counterpart of the chain rule. And yet again my tutor mentioned it is not used for all stochastic processes. Is this statement ...
1
vote
1answer
84 views

Analog - Pattern Recognition model using KNN

I'm building a pattern recognition model for my master thesis. The idea is to build a framework with some Macro variables (long/short term rates; rates differential; equity; fx; vix) in order to find ...
5
votes
1answer
136 views

Solving Black-Scholes PDE using Laplace transform

I'm trying to obtain the Laplace transform of Call option price with repect to time to maturity under the CEV process. The well known Black scholes PDE is given by $$ ...
5
votes
1answer
106 views

Girsanov Theorem and Quadratic Variation

Girsanov theorem seems to have many different forms. I've got a problem matching the form in wiki to the one in Shreve's book, due to the difficulty of quadratic variation calculation. Below is the ...
-2
votes
1answer
50 views

Two assets with the same mean and standard deviation - Would there be any benefit? [closed]

If I have two assets in a portfolio with the same standard deviation and mean and the correlation between the assets is 0, theoretically could there be a situation where it would be beneficial to ...
0
votes
1answer
41 views

Why does the price of a convertible bond go up if the CDS spread goes up?

Looking at convertible bond prices in a commercial pricing tool, which is based on a model of Black-Scholes volatility plus a Poisson process of jump to default, I noticed that increasing the spread ...
1
vote
2answers
48 views

How to combine Gaussian marginals with Gaussian copula to obtain multivariate normals?

in the book "Numerical Methods and Optimization in Finance" I red the following: "Combining the Gaussian copula with Gaussian marginal gives a fancy way of expressing multivariate normals. However, ...
2
votes
2answers
83 views

Predict Futures Prices based on weather + agricultural data

I’m working in the area of Data Mining and have come up with the following idea for my Masters project.The text may not be the best structured but it’s a working draft to give you a quick idea. ...
0
votes
1answer
69 views

What data should be used for regression-based model backtesting?

I ran regressions using historical valuation data and now want to backtest the models I came up with. Are there any issues with using the same historical data set for the backtest that I need to be ...
2
votes
1answer
113 views

Why is two-factor model so popular for bond futures?

Given that which bond in the basket becomes CTD depends massively on idiosyncratic moves among different bonds, should we not be always using N factor model instead of 2 Factor model? By using only ...
1
vote
2answers
69 views

Why is the duration of a bond important?

I know what duration measures, but now in the age of computers why is it useful? If the yield changes, we could just simply plug the new yield into a program, or excel or something like that, and ...
2
votes
2answers
123 views

How to select optimal betting strategy from backtest?

I have written a model for predicting the winner of UFC fights. My model calculates the probability of each fighter to win a given match. I have back tested the model and found it to be very ...
3
votes
5answers
283 views

Why should we expect geometric Brownian motion to model asset prices?

Disclaimer: I am a complete ignoramus about finance, so this may be an inappropriate forum for me to ask a question in. I am a mathematician who knows nothing about finance. I heard from a popular ...
1
vote
1answer
41 views

Hedging using relative values

Consider I have two stocks $A$ and $B$, $A$ is trading at $\$40$ and $B$ at $\$30$. The standard deviation of its returns are $\sigma_A=25\%$ and $\sigma_B = 30\%$. Correlation between the returns is ...
0
votes
0answers
74 views

Exporting Time Series Data For Securities Prices From Bloomberg to Excel

I have a list of securities over a thousand entries long that I want to construct a time series of prices for over a specified historical period (e.g. 2/01/10-2/20/10). Doing this manually would take ...
0
votes
2answers
107 views

Can selling put equity options be a good business?

In one of his last books Jack D. Schwager suggested that selling equity puts can be a good business. The puts are like insurance policies against market downturns and there is a natural demand. ...
1
vote
0answers
19 views

Collateralized Loan Obligation - reliable source of information

Can someone provide me with some reliable source of information about CLOs? Especially some scientific articles etc. Google or wiki are good for starters and I would like to get some examples, ...
2
votes
1answer
96 views

Does anyone have a C# implementation of the Barone Adesi Whaley options pricing model?

Thanks. Can't seem to find it through google. Worst case, if you can provide me the code in Java or C++ I can convert it to C#.
0
votes
2answers
53 views

Question 1.18 from Hull's Financial Risk management CAPM

A portfolio manager maintains an active portfolio with beta of 0.2. Risk-free rate is 5% The market return for a particular year is -30% The fund produced a result of -10%. He claimed the return was ...
0
votes
0answers
50 views

Double auctions in online games

I am currently doing a PhD in mathematics and we study the phenomenon of segregation in double auctions. As it is very difficult to gether datas from financial institutions I wanted to start by ...
2
votes
1answer
78 views

Is there a way to adjust R PerformanceAnalytics function VaR with EWMA or GARCH method?

Is there a way to upgrade R PerformanceAnalytics function VaR with more risk sensitive approaches like EWMA or GARCH? Or is there another R package which can handle the issue?
0
votes
0answers
41 views

Asian option numerical pricing method generates a negative time value

I use R to write a function which simulates price path and calculates the value of an arithmetic Asian option. I found sometimes the value of the option can be lower than its intrinsic value, i.e., ...
0
votes
1answer
49 views

Calculating returns for a mutual fund with dividends

I'd like to calculate returns for a given mutual fund (in this case, PRWCX from troweprice). When I look at their published performance, it says the Calendar Year Total Returns for 2013 is 22.43% but ...
2
votes
1answer
82 views

Bootstrapping Sharpe Ratios

A similar question to this was asked here: How do i test the significance of Sharpe ratio of a strategy using bootstrap I have bootstrapped the original time series (using block bootstrapping) and ...
2
votes
0answers
101 views

Scale of Market Quakes Computation

I would like to reproduce the results in the paper "The scale of market quakes", from T. Bisig, But I am getting stuck at the computation of the Fourier Coefficients in equation (4). They are defined ...
1
vote
2answers
73 views

Algo's Shadowing Limit Orders

So I was trading the option contracts on NLY (Annaly Capital Managment) today. The stock took a big dip today which piqued my interests in selling some OTM puts. Since the options market on this ...
0
votes
0answers
30 views

Fixed Income Swap Sharpe Ratio Calculation

I have a Fixed Income based strategy based on swaps. Q1.) Given that swaps are based on a "notional" principal and no actual exchange of principal's takes place, is it fair to assume a funding cost ...
1
vote
1answer
86 views

Pricing a bond contract from the yield curve

When giving a particular class in financial mathematics for a student I saw a problem in a list of exercises that says: How to calculate the price at 15 December 2010 of a bond paying a coupon of ...
0
votes
0answers
43 views

Calibration Problem in the LMM-Skew (Shifted Diffusion) Model

I have implemented the LIBOR market model (LMM) and I am quite satisfied with the results. I have now added a skew to the model as described in 10.1 of Brigo/Mercurio. That is, I have replaced the SDE ...
0
votes
1answer
87 views

Where can I download intraday series for DAX and S&P500 Index?

Where can I download intraday tick data for DAX and S&P500 index prices? I found only daily closing prices.

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