# Questions tagged [programming]

For questions about programming languages, implementation, and packages in quantitative finance. Note: question must be specific to quantitative finance and must necessitate knowledge of quantitative finance in order to be on topic.

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### Matlab - Differences between rng and rand

I was trying to run some Monte-Carlo simulations and if I used: rng(seed, 'Twister'); For some reason I would get "Option Values Can not be Negative" errors in the blsimpv function, but if I just ...
628 views

### Why C is still in use especially in area of numerical optimization (instead of C++)? [closed]

Why C is still in use especially in area of numerical optimization (instead of C++) ? C and C++ aren't fully compatible so mayby you know some differances that make the difference ?
5k views

### What API methods are there to determine a company's market cap?

I'm wondering what API methods there are to determine a company's market cap, i.e. (number of shares issued) * (price per share). I know IQfeed and perhaps Yahoo will do this - does anyone know of ...
435 views

### Implementing nonlinear optimization to find model free implied volatility using Matlab

I am trying to calculate model free implied volatility $\sigma_{MF}$ for a relative performance index using the following method: \$\sigma_{MF}^2=2\sum_{i} [\frac{C(T,K_{i})}{K_{i}^2} - \frac{max(0,F-...
2k views

### What is the industry standard Quant Finance modeling library for F#

If it exists, has been agreed on, and F# programmers have used it extensively, I would like to know what is the industry standard Quant Finance library for F#. What typical finance scenario(s) have ...
2k views

### Using the termstrc package in R

I am attempting to use the function estim_nss from the termstrc package in R to find the spot curve from constant maturity rates published by the Fed. I am using this package because I will need to ...
75 views

### How to attribute income that incurs a double liability in a P&L?

I'm a developer writing a system for a startup. Without giving away too much of the business model, here are the basics of how it works: The web site has two forms of "currency": tickets and credits....
2k views

### Is MATLAB-generated code good enough for use in live trading?

I know that MATLAB has mechanisms for generating code, but I've never used them. Have you? If you have - is it good enough (=fast enough, I guess) to be used in live trading systems? Anything one ...
584 views

### GBM 3d plot with R

I want to plot the density of the GBM in a 3d plot. So I have on one axis the stock price, on the other the time and on the z axis the density. At the end I want to produce this graph. The formula I ...
3k views

### Treasury Bond Yield Curves in R

Does anyone know if I can access interest rates series from the treasury using R? I tried yahoo! Finance and it doesn't seem to have this kind of information.
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### Generate tick data from candlestick

Is there software (or Python / R / ... scripts) to generate (pseudo) tick data from candlestick data. I have candlestick data (CSV format) from monthly timeframe (MN) to minute timeframe (M1) but ...
6k views

### Technology stack used in Bloomberg

I figure this perhaps the best place to ask this. What technology stack is used in Bloomberg? I'm C++ developer, and I definitely prefer C++ to C, so I don't want to touch C unless it's strictly ...
1k views

### Is it possible to “steal” financial data on publicly traded companies off the internet? Legally, I mean, what is the truth about “data” as a property

What constitutes "stealing" when it comes to publicly posted financial data? I think there are three instances of this that we can individually vet: a.) you physically broke into a location or ...
507 views

### How do you handle Calendars in a .NET quant system?

I have developed an analytic platform in .NET, but I now have to tackle the problem of data cleaning which first starts by finding holes in time series, before actually looking to find inconsistent ...
2k views

### FIX Heartbeat message not sent

I am using FIX4.3 and QuickFIX/n v1.0.0 for its implementation. I came across a situation where i had subscribed for Market Data and was successfully receiving Snapshot message then suddenly all ...
135 views

### Aftcast Generation

Aftcast is a way of simulating equity curves for different start years, usually from a large sample data ~100 years. Its kind of like start date sensitivity testing but in my case, I incorporated ...
1k views

### Risk-Parity Portfolio Optimization using Extreme Optimization in C#

I'm trying to create a risk-parity portfolio in C# using the Extreme Optimization routines. I'm mostly trying them out to see if I like them or not before I buy them (I'm a student so money is tight)....
3k views

### ROC: difference between discrete and continuous?

Using the ROC function in the R package TTR, there is a choice between continuous (the default) and discrete, but with no guidance on which you choose when. In the code the difference is: ...
10k views

### What is the best live options data API?

What is the best/cheapest service to get real-time (as real-time as you can get) on stock options? I'm looking for the fastest update on the ENTIRE market, with a few stocks prioritized, so I need ...
213 views

### FpML class generation gives error

I am creating classes out of 5.1 FPML specification but I get following error. ...
3k views

### Backtest pair trade strategy in R

I am looking for some tips on how to run a simple backtest on a pairtrading strategy intraday using eg. 30minute bars. I have calculated the spread, ...
218 views

### Looking for FpML best practices

We want start using FpML within our organisation; where message will be sent using FpML. What are best practices to do this ? If anyone who have used Tools as well as; i want to use FpML for ...
692 views

### What tools and libraries may be used to model limit/stop systematic trading?

A lot of the tools/libraries out there seem to focus on close to close time series analysis. This is all fine but I typically do not trade close to close, I will use limit or stop orders that may or ...
108 views

### Option symbol conversion [closed]

Maybe more of a programming question, Is there a Ruby gem to facilitate conversion of an option symbol notation from one form to another? For example, one source provides TZA1220J18 but an API for ...
2k views

### What commercial financial libraries are available to outsource implementation risk?

During our daily jobs as quants, we tend to be willing to develop all the quantitative libraries ourselves. While I know that we need to develop specific algorithms which are the foundations of our ...
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### Drawbacks & Caveats of using (N)Esper for ESP/CEP in trading systems?

Esper and its .NET port NEsper are components that enable Complex Event Processing (CEP) and Event Stream Processing (ESP) engines. They are especially suitable for trading applications. They can, ...
2k views

### Is Visual Basic a fast enough for millisecond orders

I have an API that for an order routing platform that is in visual basic. The maximum frequency or orders to exchanges will be milliseconds, where the underlying systems are expected to be able to ...
528 views

### Means of inferring trading algorithms from competition trade data

I'm analyzing trades from several participants in a trading competition, and I was wondering - are there known mechanisms for analysis and inference of the logic in a set of trades done by one ...
3k views

### C++ training from scratch to quantitative trading? [closed]

I have been trading for decades, and I have a solid knowledge of technical analysis but also VB as professional programmer. I would like to start learning C++ from scratch, then specialised in C++ ...
515 views

### NASDAQ TotalView ITCH order reference number number characteristics

I am building a custom hash implementation for storing NASDAQ ITCH order messages. Obviously this is keyed on the order reference number and I am wondering if these numbers are sequential, random or ...
479 views

### How can I get intra-day prices via API into R?

I am able to retrieve prices for IVV using this code library(quantmod) getSymbols("IVV") names(IVV) [1] "IVV.Open" "IVV.High" "IVV.Low" "IVV.Close" ...
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### R: How feasible is it to store — and work with — tick data in a database connected to R?

I'm looking to convert some tickdata .csv files into a database on a local disk and then use R to call the data and do my various analytics and modelling. What are some best practices / ...
383 views

### How to balance two Forex crosses correctly to do a linear regression?

I have two cross and an account in EUR: EUR/USD GBP/USD I would like to do a balanced linear regression using R. With "balanced" I mean that I would like to normalize it by calculating the ...
761 views

### Has any research used Bayesian networks to estimate risk factor betas?

Is there any published research on estimating the beta of a security with respect to one or more risk factors via Bayesian networks? I'd like to see if this is a promising angle of research.
1k views

### Why does the following data fail my cointegration test?

I have some closing price data for two Australian banks which track each other very closely. http://dl.dropbox.com/u/12337149/stat/CBA.csv http://dl.dropbox.com/u/12337149/stat/WBC.csv Code from ...
1k views

### Reference on Markov chain Monte Carlo method for option pricing?

I have to implement option pricing in c++ using Markov chain Monte Carlo. Is there some paper which describes this in detail so that I can learn from there and implement?
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### What tools are used to numerically solve differential equations in Quantitative Finance?

There are a lot of Quantitative Finance models (e.g. Black-Scholes) which are formulated in terms of partial differential equations. What is a standard approach in Quantitative Finance to solve these ...
711 views

### What benefits are there to employing agile software development methodologies for quants?

Perusing the other SE network sites, particularly Programmers, I often find vigorous support for various agile software development methodologies, particularly the various values known as Extreme ...
2k views

### What approaches are there to order handling in automated trading?

I am currently developing a commercial automated trading program in which users can write their own proprietary code and develop strategies, like in NinjaTrader, MetaTrader etc. Right now I am working ...
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### Black Scholes and Monte Carlo implementations in Java [duplicate]

Possible Duplicate: Is there an all Java options-pricing library (preferably open source) besides jquantlib? Can anyone recommend a library with an implementation of Black Scholes and Monte Carlo ...
3k views

### What programming language is best suited for implementing DeMark?

Jason Perl's book DeMark Indicators details rules for calculating signals developed by Thomas DeMark. These rules are not complex in themselves, but there is no dirth of ...
10k views

### How to get a list of stocks symbol of a specific exchange? [duplicate]

Possible Duplicate: Where to download list of all common stocks traded on NYSE, NASDAQ and AMEX? Is it possible to download a list of stocks that belong to a specific exchange (e.g. NASDAQ, AMEX, ...
1k views

### How do I replicate John Hussman's recession forecasting methodology?

John Hussman has a recession forecasting methodology he often posts about on his blog, and I am trying to replicate it using publicly available data. I would like to assess his accuracy in predicting ...
2k views

### How do I backtest a convertible bond arbitrage strategy in R/Matlab?

Since no one was able to answer my previous question, I am going to try to backtest a modern convertible bond arbitrage strategy myself (perhaps I'll report the results back here, if you're lucky :)). ...
975 views

### Are there any brokerages which use URL-based web APIs?

We already have a list of brokerages that provide apis. What about brokerages that provide web apis? For example, Collective2 has a url-based web api for entering trades. Are there any brokerages ...
763 views

### Alternative to Block Bootstrap for Multivariate Time Series

I currently use the following process for bootstrapping a multivariate time series in R: Determine block sizes - run the function b.star in the np package which produces a block size for each series ...