# All Questions

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### Definitive way of figuring out companies with multiple classes of stocks

Is there a definitive way of mapping tickers to companies for companies with multiple listed tickers? For example, GOOG and GOOGL are both Google (or now Alphabet), or BRK.A and BRK.B are both ...
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### Is the equity value of the firm “in the money” or “out of the money”? BOPM & BSOPM [closed]

Value of the firm V = 100 Face value of debt X is 120 and still one year to go until maturity Firm value volatility is 40.5% per annum Risk free rate is 6% Consider a one-period model. If any ...
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### ARIMA Forecasting always converges?

I read an article about arima forecasting and i said that before we forecast arima model, its stationarity has to be checked. If the model is stationary, it is clear that forecasting converges to ...
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### Forward contract pricing of coupon paying security

PLease help me in understanding how to price forward contract for coupon paying security. For instance if we get into a contract to buy a security in next six month whose coupon due in next two month. ...
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### Using a hybrid approach to calculate operational risk capital

I've read that a hybrid approach combing scenario analysis and loss distribution analysis can be used to calculate operational risk capital under the advanced models approach. I've read a couple ways ...
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### Where can I find the most reliable historical fundamental data for US Equities

I've looked at several sources including Bloomberg, Zacks and Cap IQ. Many times, they don't update their data with the revisions. I'm looking for Income Statement and Balance Sheet data going back to ...
268 views

### Basic question on Portfolio Theory

I was revising my stuff about portfolio theory and I noticed that every single time, expected return and corresponding variance or covariance are given! (not calculating ourselves). So I'm just ...
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### Pricing claims of parties in a fund

I'm working on the following problem and would appreciate some input because I'm stuck. Consider a fund that works as follows. The fund starts with $S_0$ worth of assets following a geometric ...
175 views

### French and Fama Three Factor Model - What is the correct formula?

I hope you can help me with the following question. What is the correct way to write the formula for the French and Fama Three Factor Model. I have currently found three versions of this formula, ...
124 views

### Whites Reality Check for Pair Trading

I want to use the Monte Carlo Method described in Aronsons book Evidence based Technical Analysis to test if a given pairs trading strategy is useless. First step there is to randomize the returns of ...
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### Equity protection and butterfly certificates pricing

Certificates issued by famous industry names are usually made up by a combination of a fixed income instrument and some vanilla and exotic options. I am looking for something which explains: how to ...
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### Gil-Palaez Inversion Formula in Black Scholes world

I am trying to calculate numerically the price of a plain vanilla call through Fourier Transform, by applying the Gil-Pelaez formula. More precisely, we have that C(K)=S0*Π1-Kexp(-rT)Π2 where ...
98 views

### Difference between stochastic calculus and newton calculus

As I am not a student of hard core mathematics,I just want to know how stochastic calculus is different from newton calculus. What make stochastic calculus different from simple newton calculus ?
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### Cost of revenue vs SG&A [closed]

How do cost of revenue and SG&A compare (across industries)? For cost of revenue, one definition is "the cost of manufacturing and delivering a product or service". Assuming my product is beer, ...
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### What are the best online platforms to hire a quant? [closed]

I have already written the base of a trading algorithm, however there are some optimisations that I would like to add that might be best programmed by more experienced quantitative programmers. This ...
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### How to understand stock return comovement

In his book "Asset Pricing" chapter 20, Cochrane said For example, suppose that average returns were higher for stocks whose ticker symbols start later in the alphabet. (Maybe investors search ...
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### QuantLib: Is the StochasticProcess class adapt for a HJM type of modelling?

I would like to use the following model in QuantLib: $\frac{dF(t,T)}{F(t,T)} = \sigma_se^{-\beta(T-t)}dW_{t}^{1} + \sigma_L\left(1-e^{-\beta(T-t)}\right)dW_{t}^{2}$ This is a reformulation of the ...
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### Why do CFDs track the underlying?

My understanding of CFDs is that the profit you make on a CFD is the difference between the price at which you bought the CFD and the price at which you sold your CFD minus various charges/commission. ...
108 views

### where to get shares trading info [closed]

I have no idea about finances, trading and other things. But very interested in passive long term income. I've read many things about how cheap was microsoft, google, facebook shares in the past. ...
148 views

### How to estimate probable seeling pricegiven OHLC data for backtesting?

I'm relative new to this, so I might be asking something that doesn't make sense. Here is my scenario: I have intraday day at 1 minute intervals. This data has ohlc data and I want to compute for any ...
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### correlated random variables with additional autocorrelation - multi dimensional cholesky?

for my thesis im currently generating several time series of random numbers, so far so good. Now i realized some autocorrelation in the series as well and dont really know how to cope with it. Can i ...
176 views

### Calculating log-returns across multiple securities and time

I've been getting very confused on the topic of calculating returns. To get cumulative returns in time, log-returns are used, but apparently log-returns aren't used across different securities at a ...
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### Can adding an uncorrelated high vol strategy to a low vol portfolio result in a portfolio with even lower volatility?

Let's say I have fund A with 20% annualized volatility and portfolio B with 15% annualized volatility. If A and B have 0 correlation, can the combination of these funds have volatility < 15% ? Are ...
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### Finding mean vector and covariance matrix for annual returns given quarterly returns

I am currently trying to calculate a vector for the mean annual returns of 4 different asset classes along with their 4x4 covariance matrix in excel. However, I am having problems since the data I ...
163 views

### Is the code of my binary call option pricer (using explicit finite difference, backward scheme) correct? [closed]

I am using explicit finite difference (backward scheme) to price a binary call option. Here is my MATLAB code: ...
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### Could we estimate a portfolio's volatility using a GARCH on the portfolio returns?

Estimating the volatility of a portfolio is typically done by first estimating the covariance matrix. This, however, can be difficult to do accurately and predictivly. This paper gives a nice summary ...
I have a bond with a time to maturity of 5, a nominal value of $100, coupons of \$3,- and an yield price that I need to calculate so that the bond price equals \\$100,-. This yield value is symbolized ...