# All Questions

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153 views

### Keynesian Multiplier [closed]

I am taking a degree in macro economics, and am at a juncture where knowledge about the Keynesian Multiplier is imperative. Though I've been at the lectures, read the literature and scoured the web, I ...
439 views

### How to determine if one player moved a price

I'm trying to understand what caused certain price movements (aren't we all!) in per-minute data for major NYSE stocks. In particular, I'd like to determine whether a given price movement of X% in ...
6k views

### How good is managed code for algo trading?

I am currently working in a firm that does algo trading. We do all of our stuff in Java. And we do make money out of it. We have debates all the time whether we would have made more money with native ...
4k views

### Separating the wheat from the chaff: What quant methods separate skillful managers from lucky ones?

Fund managers are acting in a highly stochastic environment. What methods do you know to systematically separate skillful fund managers from those that were just lucky? Every idea, reference, paper ...
387 views

### What is the effect of quant finance on global markets?

Attempting to get a high level understanding of the role that quantitative finance plays in the financial global markets. Open to any suggestion on how to do this, but figure a starting point might be ...
32k views

### Efficiently storing real-time intraday data in an application agnostic way

What would be the best approach to handle real-time intraday data storage? For personal research I've always imported from flat files only into memory (historical EOD), so I don't have much ...
23k views

### What type of investor is willing to be short gamma?

As far as I understand, most investors are willing to buy options (puts and calls) in order to limit their exposure to the market in case it moves against them. This is due to the fact that they are ...
15k views

### Any known bugs with Yahoo Finance adjusted close data ?

Yahoo Finance allows you to download tables of their daily historical stock price data. The data includes an adjusted closing price that I thought I might use to calculate daily log returns as a ...
830 views

### FX Tick Data question

Anyone can tell me what the first column and the last column in this FX tick dataset mean? The first seems like some kind of ID, and what D in the last column mean? 368412956 AUD/CAD 12/30/2007 ...
119 views

### How to calculate the Metropolitan Transportation Authority of New York's market capitalization or fair market value? [closed]

ok, so I can't post more than 1 link since I'm a noobie noob, and in the course of correcting this, Stack managed to delete my post. so here's the more abbreviated, slightly irritated author version… ...
9k views

### What types of neural networks are most appropriate for trading?

What types of neural networks are most appropriate for forecasting returns? Can neural networks be the basis for a high-frequency trading strategy? Types of neural networks include: Radial Basis ...
152 views

### Availability of machine-readable OCC Infomemos?

Does anyone know of a source of machine-readable (XML,etc) OCC Infomemos? The PDF files available below contain all the information I want, but are a pain to parse. http://www.optionsclearing.com/...
2k views

### How to annualize Expected Shortfall?

I have a time series with monthly data from which I compute the expected shortfall empirically, following the classical definition which can be found, for example, in wikipedia's definition. That is, ...
5k views

### Vanna - any practical uses for risk or pnl attribution purposes?

What is the practical use for Vanna in trading? How can it be used for a PnL attribution?
1k views

### The Fair Value of Paying in Currency X for Goods Bought in Currency Y

Me and my friends are from Europe, we went to US. At the end of the trip they bought an item worth $USD 100$, but because they were short of money, so I paid for the item first with my own $USD 100$. ...
231 views

### What is the longest number of consecutive days that options implied volatility has stayed “extremely high” for any particular underlying?

Curious as to whether or not there is any sort of all time record. Any index, future, or stock will do. Volatility must be well above the average 1 year volatility for all periods.
8k views

### data on historical stock price of bankrupt companies

does anybody know a site where I can download historical data on stocks including companies that have gone bankrupt such as lehman brothers? it appears that bankrupt companies no longer appear in the ...
22k views

### What is the role of Credit Valuation Adjustment (CVA) desks in investment banks?

What does a CVA (Credit Valuation Adjustment) desk do, and how are its activities different from other trading desks? Can you work as a quant for a CVA desk and consider your role "front office"?
321 views

### penalizing negative skewness by linking $U(\mu)$ and $U(\Sigma)$

Consider $U_1(\mu,\Sigma)$ and $U_2(\mu,\Sigma)$, where $U_1(\mu, \cdot) = U_2(\mu, \cdot)$, $U_1(\cdot, \Sigma) = U_2(\cdot, \Sigma)$ such that \begin{equation*} arg\inf\limits_{\mu \in U_1(\mu, \...
918 views

### Black-Scholes No Dividends assumption

I am doing some research involving black-scholes model and got stuck with dividend-paying stocks when evaluating options. What is the real-world approach on handling the situations when an underlying ...
2k views

### George Soros models

Mr. Soros in his books talked about principles which are not used by today's financial mathematics — namely reflexivity of all actions on the market. Simply it can be given by following: ...
784 views

### Modern problems in financial mathematics

I have a MSc degree in the area of Financial Mathematics, but I am doing research now in other field of stochastics. Could you please tell me about the most important problems of (stochastic) ...