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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3answers
76 views

Obtaining Expense Ratio Data

I have a list of tickers (~11,500) in a .txt/.csv file and accompanying fund data from yahoo finance. I'm wondering if there is a reasonably easy/accessible way to use this list to obtain expense ...
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4answers
2k views

C# Broker API for FX Trading

I am looking for a broker who provides a free trading API for FX. The goal is to develop at-home algorithms in C# (possibly Qt) to run on a fake portfolio, and then later on real money with ...
1
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1answer
739 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 ...
1
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2answers
1k views

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 ...
1
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1answer
32 views

Median value for geometric brownian motion simulation

I'm trying to simulate stock prices using GBM. I am using the following formula, and MATLAB function, to determine the stock prices: $\nu = \mu - \frac{\sigma^{2}}{2}$; $S = S0*\text{[ones(1,nsims); ...
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2answers
256 views

How to calculate the volatility matrix with multiple stocks

calculating the volatility for a single stock is straightforward. However, I'm not sure whether my approach for calculating the volatility matrix for multiple stocks is correct: I assume a log-normal ...
1
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1answer
108 views

Plot Evolution of portfolio weights over time in R [closed]

Is there any function for plotting the evolution of portfolio weights over time in r?. I have a matrix of portfolio weights from an equal weighting strategy at rebalancing times and want to plot ...
1
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0answers
98 views

Calculate display and plot relative spread using Sierra Chart

I'm trying Sierra Chart for trading Bitcoin. I would like to display relative spread for a given volume. spread_rel = 200.0 * (ask - bid) / (bid + ask) where ...
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0answers
640 views

What is the best alternative of Quantlib library

We need to build a Fixed Income Portfolio Risk Analytics solution. Somehow due to administrative reason we can't use Quantlib which is written in C++, even call it through SWIG via JNI. We have tried ...
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0answers
144 views

Example code for “Gauge Invariance, Geometry and Arbitrage” paper

This paper describes an algorithm for computing arbitrage opportunites using a gauge connetion. Has anyone written a python program or C++ or C# program that shows how to follow the steps outlines in ...
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0answers
102 views

RCaller & RQuantlib error in java

I am receiving the following error: ...
1
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0answers
521 views

portfolio optimization with a loop

I am attempting to minimize the variance of a 3 stock portfolio using optimization within a loop. What I have done is calculated the stock returns and cov matrix from dates 1980-01-01 to 1989-12-31 ...
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3answers
499 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 ?
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3answers
522 views

Which library shall I use for time series analysis in Java?

I'm looking for a library to do some time series analysis in Java but I can't find anything suitable. I've found plenty of libraries such as Math3 of JSAT but there's much I can you for my problem. ...
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1answer
31 views

GNP/GDP and modelling [closed]

Is GNP a continuous, static or a dynamic model ? What about GDP ? What I do know is that it has yearly discrete values. However, when it is modeled, it becomes a continuous graph. So what exactly is ...
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2answers
150 views

FpML class generation gives error

I am creating classes out of 5.1 FPML specification but I get following error. ...
0
votes
1answer
83 views

Choosing broker to run with Zipline

Which brokers offer Python integration/API? Which brokers offer R integration? I'm starting on trading, and I want to learn about algorithm trading. So I would like to know what brokers offers these ...
0
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1answer
51 views

Contribute to Finance related projects [closed]

I am currently a student and in the future would like to work as a software developer for a financial institution such as Bloomberg, Factset etc. I was looking to contribute to some open source or ...
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2answers
373 views

Forex brokers with free API compatible with Node.js

I have a Forex trading signal generator written in Node.js and now I am looking for a Forex broker with a free Node.js compatible API. The requirements are simple: be able to send new trade orders ...
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0answers
53 views

When should we use KDB database and when should we not?

What are the criteria s we should look into when we want to choose the suitable database. suppose If My requirement is to have a huge amount of insert and updates only the should we use KDB. When ...
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0answers
17 views

Web Based Market Profile Code

I am looking for someone who knows of or has access to web based charting code using Market Profile. Does this exist out there? I would prefer the source code so I can make changes to it. Any ...
0
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0answers
29 views

Where to find agent-based software for the stock-market?

I am looking for game theory agent-based software to run simulations of the stock market. Ideally it would be a software where i could manipulate the variables and possible the underlying assumtions ...
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0answers
68 views

Book chart plotting library identification

can you help me identify how those charts are constructed? To your knowledge, is it generated from Python, R, Java, C++? What packages can you identify? I've tried the ggplot2 library in R and I have ...
0
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3answers
208 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 ...
0
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0answers
66 views

How to display stock prediction results?

I'm not sure if this is a question for "Quantitative Finance" or "Personal Finance & Money" so forgive me if this one is irrelevant for this site. The Situation So I wrote a program (in vb.net ...
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0answers
28 views

Are there any Spanish language resources for getting quotes?

In English, there is MetaTrader from http://www.metaquotes.net. Is there any similar platform or program available in Spanish for backtracking and running your trading algorithms? How about ...
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0answers
85 views

Where can I find ADF library in c#

Where could I find an ADF library or source code in c# for cointegration test?
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3answers
154 views

How does logging effect Quickfix performance?

I am using .net/c++ version of quickfix. How does logging effect Quickfix performance? If I disable logging to file, can it help to increase performance of quickfix? Thanks,
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0answers
232 views

Java Implied Volatility Solving

After using RQuantLib and RCaller from Java I am desiring a bit more speed on my implied volatility calculations (for anyone who has used this knows it is quite slow). I need to price a large number ...
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0answers
27 views

Developing an Android App. Need free volatility data [duplicate]

I'm currently developing an android app that requires volatility data. Any idea where can I get it for free? I tried Yahoo Finance API and they don't seem to have volatility data. Thanks
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0answers
44 views

Compute the average efficient frontiers with estimated parameters from generated time series

My overall objective is to analyse the impact of error in mean-variance analysis from historical data. I am given the returns and standard deviation for the five assets under consideration, as well as ...
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0answers
113 views

Fitting Egarch Model

I am performing a monte-carlo simulation in MATLAB for the first order EGARCH model in which case I am simulating 100 paths of size 500 assuming Gaussian and Student's-t distributions for the ...
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0answers
229 views

IB with R which package?

I want to implement my models in R and trade according to them with my IB account. Now I am wondering, how I should solve this problem? Do I need to program with C an access ...
0
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0answers
44 views

Java limitbook implementation? [duplicate]

I am looking to create my own front-end. What is the best data structure/java swing object to represent a limit order book? currently I am using two JTables and loading best bid and qty data from a ...
0
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0answers
299 views

R or Matlab code for Multi-Barrier-Options (3 or more underlyings)

I am looking for R or Matlab code examples of multi-barrier-options (or multi-barrier reverse convertibles) with at least 3 underlyings. Do you have such code or can you point me to a place where I ...
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0answers
153 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 ...
-1
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1answer
567 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 ...
-2
votes
1answer
311 views

How to look for fractals/harmonics patterns in time series?

I want to build trading systems based on two things: 1)Fractal Theory 2)Harmonics Pattern I have read the book : The Misbehavior of Markets: A Fractal View of Financial Turbulence By Mandelbrot ...
-4
votes
1answer
117 views

Is there an API to perform request about stocks and financial derivatives? [closed]

Is there an API to make a request such as: all the companies which thier P/E ratio is greater than 50 ? I know I can crawl google finance and have it locally on my ...