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Finance

Life as a Rates Trader v1

Even though I am not yet a trader, I get, and ask, a fair amount of questions about this topic and so I thought I should put up some initial observations. I fully expect a fair amount of the following to be wrong – some factually wrong, some conditionally wrong, others correct but misleading. I [...]

Men In Black and an Epistemological Critique of Financial Fractal and Multifractal Modeling

I’m three quarters of the way through a Mandelbrot text and suffice to say I am very disturbed by how much he seems to think he has succeeded in modeling financial time series. Although Mandelbrot claims to be, and largely is, highly heterodox, what he seems to share with the prevailing statistician’s approach to finance [...]

EinPunch: The Distinction Between Wall-Crossing and Material Non-public Information

Here’s KD’s very useful Cliffs Notes version for you to get up to speed. Yes, and then go read Matt Levine’s post on it (I wish he were as funny as Bess, but no one is as funny as Bess). For balance, have a gander at a representative negative view from Cassandra. Right. I don’t have [...]

AppleCare as a Credit Default Swaption: A One-Period Binomial Model

The highest-end iPad is S$1,108 and AppleCare (for any iPad) can be purchased for S$118, or just over 10%. What AppleCare does is extend your phone support, by 1 year 275 days, 90 days from now, and your hardware support, by 1 year, 1 year from now. Rings a little like a good old Credit [...]

On Personal Financial Reviews, and Thoughts on Insurance

Once in a while I update my personal balance sheet. It looks something like this: I look forward to doing these things with about as much dread as I used to do Chinese spelling tests as a kid. For one thing it is tedious, being a comprehensive accounting of all your personal assets as of [...]