# All Questions

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### How to compute the foreign exchange volatility within a portfolio

Suppose I have a portfolio of 5 assets. Assets 1 and 2 have foreign exchange exposures and therefore foreign exchange volatility. How can I calculate the marginal contribution to the total portfolio ...
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### Getting quote stream via fix-api 4.3

I'm new to FIX api,so far i did following (on QUICKFIX) logged on to quote-session subscribed to market data sent "single-message" quote-request for an instrument (EUR/USD for example) ...
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### Having Difficulty With Sharpe Ratio and Optimal Portfolio

I have begun by using such equations as: By finding the $Rp$ and $\sigma p$ with the weighted values, and then I followed the equation using a value of $.02$ for the fixed asset, $rf$, but this ...
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### Where can I get json currency data feeds every millisecond?

I have been looking for free or paid json data feeds on currencies for long. I have come across: currencylayer.com Oanda XE The problem is that I really need millisecond based updates. Can ...
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### Rate of Options decay

I know "Time decay accelerates on nearing expiry". But I want to know the rate of acceleration. How curvy is the theta curve? Answers could be like, Provided IV is stable, in a 3-month contract,...
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### what data sources are useful for obtaining financial statement data of listed companies NYSE and NASDAQ?

Exactly, I need balance sheet, income statement, cash flow statement, stock market, bankruptcy situation, fraud situation and corporate governance data of companies in USA. Thanks beforehand,
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### How to calculate the NPV (Net present Value) in this question? [closed]

A company pays £1,200,000 to purchase a property. The company pays £30,000 at the end of each of the next six months to renovate the property. At the end of the eighth month the company sells the ...
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### Put call parity: when are the premiums the same?

Please explain why put call parity could be compared to the payoff of a long forward contract. ie. $C_E-P_E=V_X(0)$ where $C_E,P_E$ are the call/put premiums and $V_X(0)$ is the value of a long ...
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### What exactly do I sell when I sell a futures contract I have previously bought?

Suppose I buy a futures contract and later, before expiry date, I sell it out. Is something physically exchanged between myself and the buyer, e.g. a paper certificate specifying the contract's ...
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### What is the Difference Between a Credit Default Swap and a Bet

Reading the wikipedia page for derivatives on 00:02 E.S.T March 21 2016, a credit default swap (CDS) is summarized as being "A credit default swap (CDS) is a financial swap agreement that the seller ...
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### Concept Question Regarding Short Rate Model

I have a conceptual question that needs help. Does anyone know whether the short rate model generate discount rate or forward rate?
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### How to implement momentum strategy using R

I am trying to see if momentum strategy has a profitability in a bond market. I have a bond dataset which is a panel data and it is monthly. It looks something like the table below. For each month ...
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### Forecasting sales from balance sheet data

I have got a database with balance sheet and income statement data of 150.000 firms for the period 1995-2014. I need to get a good forecast of each firm's sales. As exogenous variables I can use the ...
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### Analysis of exercising a call option early

Most options traders sell their call options early instead of exercising them, as you would make a bigger profit this way due to being able to salvage some remaining extrinsic value. For example: ...
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### Stochastic process theory question

*S follows a process $dS= mSdt + oSdz$ where m and o are constant. What is the probability followed by $Y=(Se)^{(r-t)}$. If S follows a process $dS= k (b-S) dt + oSdz$ where k, b, o are ...
356 views

### How to calculate daily risk free interest rates

I'm working on an assignment in which I need to calculate excess return for six stocks plus the S&P 500. I have computed daily logarithmic returns for every stock and for the market, I now need to ...
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### How to estimate the price of a European call when the underlying is not tradable?

Assume you have a vanilla call on an underlying $S$ with strike price $K$ and expiry at time $T$. Let's say that $S$ follows a GBM with volatility $\sigma$. In general, one would use the Black-...
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### MSRV estimation in R

What are the R packages that let you estimate Multi Scale Realized Volatility (MSRV)? So far I've only found highfrequency (which comes with Realized Kernel as well), but from what I understand it ...