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Business & incomeExperience excerpt · English

I started my career in derivatives

I started my career in derivatives. Mostly vanilla, but I did have a look in the exotics. Intellectually, it's interesting when you start. There's all these weird payoffs that you are introduced to, and it feels like a game. The thing is, there's a limit to how exotic things can get. People have already figured out how to price most of the things you can imagine, including all the things that customers normally ask for. Most of the day goes on looking after your hedges, basically implementing the model. It's like a zoo. When you arrive there's a bunch of different, interesting animals. After a while, you've met them all. There's no new animals, just variations of existing ones. However the thing that is really an issue is how the business works. Over time I came to the conclusion that the quants in the derivs space are really secondary to the salespeople. How important is the quant who can get the price right to within 1%, when the sales guy can talk the customer into overpaying by 5%? …

Original discussionHow I Became a Quant [pdf]86 source comments · at import
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AG

Im reasonably familiar with the exotics quant space. It’s essentially IT/data work - the days of sophisticated maths are mostly gone. There always was a lot of code, but these days for most people there’s little to no new maths. From what I’ve seen, post-2008 the job changed significantly, with more IT, less maths, more standardization - basically the job moved from bespoke everything to super industrialized. You’ll be able to have your model work for one underlying and one product, but what’s really useful is for lots of underlyings and many products - and that’s very hard. That being said, and that’s important, you must understand the maths behind, otherwise you won’t be able to do anything useful.

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FA

The salesman can't tell you how to hedge the product. If you can't hedge you will lose that 5% upfront pretty fast. You need quants and sales and trading. Which is why all banks have all three.

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CH

This matches my experiences as a non-quant, but havin done support work for quite a few of them. You can feel the novelty slough off of them as they get burned down into realizing they're just fitting curves.

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