Quantitative Finance Meta
to customize your list.
more stack exchange communities
Start here for a quick overview of the site
Detailed answers to any questions you might have
Discuss the workings and policies of this site
Avoiding negative volatility when applying Heston model
When applying the Heston model to generate the sample volatility surface, some of the volatility value will be negative. I am just wondering what do practioners normally do with these negative value. ...
Jan 21 '13 at 16:21
newest heston volatility questions feed
Hot Network Questions
Do all Groups have a representation?
Should I use "apt-get remove" or "apt-get purge"?
Did planes crash into the WTC on 9-11?
Automatic Work activity failed in Tridion 2013 Workflow uses external activity
Dark spot under cockpit on A-10s
Is there a way to exploit unused GET POST parameters in web application?
can I still wear my star of david
Should I add sound effects to my web site?
Set matrix zeros
Mandelbrot image in every language
How can I preserve the order of multiplications and divisions?
What's the inspiration for the owlbear?
If DOS is single-tasking, how was multitasking possible in old version of Windows?
What IP addresses to use for monitor the availability of Internet connection?
What creates the chaotic motion on a double pendulum?
Is there a secular, non vulgar alternative to "for heaven's sake"?
How to do a flawless and natural presentation?
How to JSON.serialize an opportunities line items?
Nazism and Jewish persecution awareness during the WW2 years
How can I know if someone has logged into my account?
Why quantising gravity necessarily give us gravitons?
Is it OK to set up passwordless `sudo` on a cloud server?
How to teach a toddler to identify colors correctly?
InstallR on OS X with external R installation
more hot questions
Life / Arts
Culture / Recreation
TeX - LaTeX
Unix & Linux
Ask Different (Apple)
Geographic Information Systems
Science Fiction & Fantasy
Seasoned Advice (cooking)
Personal Finance & Money
English Language & Usage
Mi Yodeya (Judaism)
Cross Validated (stats)
Theoretical Computer Science
Meta Stack Overflow
Stack Overflow Careers
site design / logo © 2014 stack exchange inc; user contributions licensed under
cc by-sa 3.0