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Friday, June 15, 2012

Nomura FX option IV

Q: Does your system cover tenor based risk?

Q: Between Equity vol and FX vol systems, do you monitor the same greeks?
%%A: in eq, it's about delta gamma vega and theta. In FX, I believe these are all important. But I guess rho is probably more important than in eq, since FX is very sensitive to interest rate and there are 2 interest rates in each currency pair.
A: delta/gama/vega/theta are the big 4. rho is insignificant in both eq and FX. See http://bigblog.tanbin.com/2011/06/rho-of-vanilla-fx-option.html

Q: You mentioned that you build thousands of Libor yield curves each day? How do you do that?
%%A: using deposit rates, futures rates, swap rates, and year-end turns

Q: You mentioned EOD marking that feeds into downstream PnL attribution. How do you do that?

What Unit test tools did you use?

What's a good unit test?

In java how do you compare 2 strings?

Why is java string designed to be immutable (c++?) ?