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A free/open-source library for quantitative finance
The Quantlib project is aimed at providing a comprehensive
software framework for quantitative finance. QuantLib is a
free
open-source library for
modeling, trading, and risk management in real-life.
To help create a community around Quantlib, we have created a
page
QuantlibUniversity.
QuantLib is written in C++ with a clean object model, and is
then exported to different languages such as Python, Ruby, and
Scheme. An initial Excel add-in is also available. There are ports
to the .NET framework in C# (
http://www.quantlib.net" and
http://www.capetools.net/).
Bindings to other languages
(including Java), and porting to ddd, Matlab/Octave,
S-PLUS/
R,
Mathematica,
COM/CORBA/SOAP architectures,
FpML, are under consideration. See
the
extensions page for details.
Appreciated by quantitative analysts and developers, it is
intended for academics and practitioners alike, eventually
promoting a stronger interaction between them. QuantLib offers
tools that are useful both for practical implementation and for
advanced modeling, with features such as market conventions, yield
curve models, solvers, PDEs, Monte Carlo (low-discrepancy
included), exotic options, VAR, and so on.
Finance is an area where well-written open-source projects could
make a tremendous difference:
- any financial institution needs a solid, time-effective, operative implementation of cutting edge pricing models and hedging tools. However, to get there, one is currently forced to re-invent the wheel every time. Even standard decade-old models, such as Black-Scholes, still lack a public robust implementation. As a consequences many good quants are wasting their time writing C++ classes which have been already written thousands of times.
- By designing and building these tools in the open, QuantLib will both encourage peer review of the tools themselves, and demonstrate how this ought to be done for scientific and commercial software. Dan Gezelter's talk< at the first Open Source/Open Science conference discussed how the scientific tradition of peer review fits well with the philosophy of the Open Source movement. Open standards are the only fair way for science and technology to evolve.
- The library could be exploited across different research and regulatory institutions, banks, software companies, and so on. Being a free/open-source project, quants contributing to the library would not need to start from scratch every time.
- Students could master a library that is actually used in the real world and contribute to it in a meaningful way. This would potentially place them in a privileged position on the job market.
- Researchers would have a framework at hand, which vastly reduces the amount of low-level work necessary to build models, so to be able to focus on more complex and interesting problems.
- Financial firms could exploit QuantLib as base code and/or benchmark, while being able to engage in creating more innovative solutions that would make them more competitive on the market.
- Regulatory institutions may have a tool for standard pricing and risk management practices.
The
QuantLib license is a modified
BSD license suitable for use in both free software and proprietary
applications, imposing no constraints at all on the use of the
library.
A few companies have committed significant resources to the
development of this library, notably
StatPro Italia, a
leading
risk-management consulting firm in Italy, where the
QuantLib
project was born and the
Globewide Network Academy,
a non-profit organization whose goal is to promote open source and distance education
and scholarship.
Help deciding the development road-map and start contributing to
the library: the
project-overview
page gives a summary of the work in progress.
Documentation is also available.
Feedback and questions concerning this site and project can be
directed to
the
QuantLib-users
mailing list.
Site Tools of the Quantlib Web
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Quantlib Web