# Questions tagged [notation]

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### Why do we use the letter $q$ for dividends?

In derivative pricing models, we often use the letter $q$ to designate the dividend yield i.e.: $$\textrm{d}S_t=S_t((\mu-q) \textrm{d}t+\sigma\textrm{d}W_t)$$ for the price process $S$ of the stock. ...
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426 views

### Definition / convention of statements receive 10s30s and boxes

I have a very practical question regarding the terminology of swap / rates trading. What is the exact definition of statements like receive 10s30s. I know that it is the spread between 30y and 10y ...
316 views

### Trouble understanding Notation in Stochastic Calculus (wedge symbol ∧)

I am a beginner in Stochastic Calculus. I am having trouble understanding the meaning behind a specific notation which appears in the topic of Ito process which in differential notation can be written ...
156 views

### Baxter and Rennie: A question on Notation

On page 56 of Baxter and Rennie (Financial Calculus), we have The definition of a continuous stochastic process, in terms of the drift $\mu_s$ and volatality $\sigma_s$. Its important to keep in ...
625 views

### Why does the EUR/USD exchange rate is in fact USD/EUR from a mathematical point of view?, why finance does not use the mathematical notation?

I found this answers: https://www.quora.com/Why-is-the-EUR-USD-traded-like-that-and-not-like-USD-EUR, but I'm not quite satisfied, I still do not understand how arranging them according to "most ...