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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-1
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0answers
16 views

Error: could not find function “covEWMA” [on hold]

During the code I've got a problem Error: could not find function "covEWMA" What is the problem?
0
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0answers
47 views

Java Implied Volatility Solving with Newtons Method

Hi I am currently working on implementing my newtons method to guess implied volatility and I have the same code as you do. However, my vol result goes to infinity and I have not figured out why my ...
0
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1answer
26 views

Downloading Data from Interactive Brokers using IbPy

I am trying to download data from Interactive Broker using the code below and I am able to create the connection with the Trader Work Station (I get a "True" after ...
1
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1answer
51 views

What is an appropriate algorithm to use for tax loss harvesting?

I've been reading into how Betterment and Wealthfront have architected their tax loss harvesting algorithms, but they stop short of providing any real examples. Essentially, they both reduce to: ...
0
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0answers
118 views

The future language of quant programming?

Im just about to begin the programming aspect of my education towards being a Quant. I know what languages are currently being used and how popular they are. However, I have several good friends ...
2
votes
3answers
104 views

Dou you have an example of implementing Engle-Granger 2-step cointegration?

Does anyone know where to find an example of implementing Engle-Granger 2-step cointegration? Python's ideal, but any language will do. I've skimmed and read many articles, but understand little ...
0
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1answer
51 views

Using multiple regression to determine coefficient that feed into another multiple regression problem

Ok so it is a bit of a complicated problem so I hope I explain this well. I currently have a multiple regression formula where I input 3 items and the output is expected growth. Each of these input ...
1
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0answers
128 views

Trading Strategy Code [closed]

I am an undergrad student and for a final project I'm looking to create a trading algorithm (doesn't have to make money just needs to make sense and run). I'm coding in C++ and have fairly limited ...
2
votes
1answer
59 views

Why annualized return and cumultive return aren't equal over 1-year period with Performance Analytics package in R?

I use Performance Analytics package in R to compare annualized and cumulative return of a portfolio. My expectation is that both should be equal over a period of 1-year but results tell me I'm wrong. ...
3
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1answer
107 views

Do you have a good application example of Approximate Dynamic Programming?

Have you ever tackled a finance problem with Approximate Dynamic Programming? I have only used dynamic programming for simple examples like a optimal extraction in mining. Do you have canonical ...
0
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0answers
38 views

How to get get weekly returns from daily data

Good day I would like to get weekly returns data from daily data , I want to use the Wednesday-to-Wednesday approach – the returns (rt) are computed from the Wednesday closing prices Pt , i.e., rt = ...
0
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0answers
55 views

Fund Allocation Logic

I am writing a program which automatically calculates the trade allocations. Imagine we have a 3 funds, Fund A, B and C. They current asset allocations (so-far-percentages) are 10%, 20%, 70% ...
1
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1answer
38 views

Q regarding amortization of 500,000 loans

I am brand new to this forum. I asked this question on the main StackOverflow site and it was suggested that I ask here. My task is to find a method to quickly calculate the monthly cash flow on ...
0
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1answer
89 views

Bloomberg equity option volatility data

Using the Bloomberg open API, I am trying to program a C++ script that is able to download option volatility data from Bloomberg. I currently do not have access to Bloomberg, but in the coming week I ...
0
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0answers
20 views

Does anybody know how to use jquantlib with eclipse?

I'm currently beginning to work on my masters project in QF and I wanted to use jquantlib for my work. I've searched the internet quite a bit but couldn't find good understandable info on how to work ...
1
vote
1answer
90 views

Do you have a validation set for Libor Market Model implementation?

I'm trying to calibrate a Libor Market Model (LMM) in Matlab with my user-defined function, not their package. I already fitted the market volatilities using SABR but failed to simulate the ...
1
vote
1answer
112 views

API for after and pre market data

Is there an API or APIs similar to the Yahoo! or Quandl APIs, that give the same access to pre and after market data? I know I can scrape the Nasdaq or Yahoo! Finance sites to get a pre/after market ...
1
vote
1answer
53 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); ...
2
votes
1answer
219 views

examples of c++ code with application to quant finance [closed]

I've some intermediate knowledge in C++. However, the knowledge is more of a theoretical nature and not applied to quant finance problems. I'm looking for good sources, code examples books blogs ...
1
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2answers
206 views

What Matlab packages to I need as a Risk Analyst?

What toolbox are more suitable for a risk analyst. I found this: Optimization toolbox Global optimization toolbox Econometrics toolbox Financial toolbox Statistics toolbox And also I have as a ...
0
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0answers
85 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 ...
0
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0answers
24 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
38 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 ...
2
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2answers
132 views

C# - Using Black Scholes Newton returns NaN occasionally

First caveat: I'm a programmer doing this for a client, and my knowledge of options probably has holes in it. So be a little forgiving here. =) The Issue: When I run Black Scholes Newton against ...
4
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3answers
234 views

What is an efficient method to find implied volatility?

I have a code that finds the implied volatility using the Newton-Raphson method. I set the number of trial to 1000 but sometimes it fails to converge and doesn't find the result. Is there a better ...
6
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1answer
191 views

What is a good Computer Algebra System for financial engineering?

I would like to know if there exists some computer algebra systems adapted to calculate pricing based on particular models, i.e. pricing YoY Inflation Swap under Jarrow Yildirim Model. I know that ...
0
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0answers
86 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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5answers
373 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 ...
6
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2answers
522 views

How do Return.portfolio and Return.rebalancing work in Performance Analytics in R?

I have a question about the function Return.portfolio/Return.rebalancing from the Performance Analytics package in R. I take ...
3
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3answers
149 views

Convergence of GBM mean after simulation?

As a follow up of my previous question, I am now simulating the GBM step by step for $n$ steps. I am using the following implementation for the simulation: $$S_{t+1} = S_t \exp \left[ ...
3
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1answer
140 views

What is wrong in this GBM simulation?

I am trying to generate a few samples of GBM using the following very simple MATLAB code: ...
0
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1answer
92 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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3answers
1k 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. ...
0
votes
1answer
54 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 ...
2
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2answers
324 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 ...
0
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0answers
68 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 ...
5
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1answer
396 views

QuantLib: Black / BSM processes and pricing via volatility surface. Different results?

I start this question with a couple of C++ functions that will be useful to show some results. So start your Visual Studio C++ Express or Ceemple or whatever you want and copy & paste this: ...
1
vote
1answer
281 views

Excel to Java for Interactive brokers

I have a working excel workbook connected to Interactive brokers DDE API. I am struggling to upgrade to a more robust environment like Java. I tried to change it to ActiveX for Excel but the ...
2
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2answers
194 views

What is the Most Efficient Way to Calculate the Internal Rate of Return IRR?

I have built a program that prices financial assets and it does this in part by calculating the IRR. The problem is that it does not run as quickly as I would like it to. I currently use the ...
2
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2answers
264 views

IP API Active X for Excel refresh rate

I have been working on the EXCEL DDE sample worksheet and works fine and now I would to upgrade to ActiveX instead of DDE as I heard it is more robust but I found the refresh rate of ActiveX is even ...
1
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1answer
132 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
vote
1answer
1k views

robust open source Kalman filter library in C++

I would like to know if anyone has experience with a good open source kalman filter implementation in C++ that I could use. I require an implementation that supports computation of likelihood similar ...
2
votes
4answers
873 views

Is node.js being used in systematic trading software?

I have a project where I would like to track some tick data and create some indicators to follow it. I am thinking of using Node.js for this project, but I would like to know from those in industry if ...
0
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0answers
30 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 ...
1
vote
3answers
94 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 ...
0
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1answer
33 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 ...
2
votes
0answers
99 views

Which are the popular free/open-source charting controls?

Recently i've tried SciChart and VisiBlox - beautiful charting tools. Is there any free or open-source tools for visualizing charts on C#? Thank you for answers.
3
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2answers
313 views

Trend estimation techniques

What is the best way (most common) to discover if a stock is trending or not? (Despite drawing a line). A hurst exponent? A linear regression maybe?
0
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2answers
562 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 ...
0
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0answers
113 views

Where can I find ADF library in c#

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