# All Questions

333 views

### How to model hedge fund returns?

I know that a lot of work has been done characterizing the first four moments of monthly hedge fund returns across a variety of fund types and strategies, and that work indicates that the higher ...
57 views

### The role of micro credit in finance

The concept of micro credit has been around for a while. Recall that Muhammad Yunus together with Grameen Bank were awarded the Nobel price in this context. I don't have references at hand but I ...
54 views

### Effect of kernel smoothing on correlation

Instead of deriving correlation matrix on standardized returns (z scores) would it not be more accurate to kernel smooth the cdf and then norminv the cdf values for the return z score and then ...
347 views

### Difference betweem martingale property and adapted filteration

What is the difference between a random process that is adapted to a filteration and one that had the martingale property. It seems the two notions are quite similar and would be helpful to construct ...
3k views

### What is the equation for Garman-Klass volatility?

I want to calculate realized/historical volatility for the underlying products of various options using the Garman-Klass estimator, but I can't see to find an equation, although I know it involves ...
235 views

### How to interpret negative asset volatility numerical results in Merton model?

I am currently working on my thesis where I discuss the Merton default probability model. I have a huge sample of US firms for the period 1990-2010. I use both numerical and complex iterative approach ...
172 views

### Is there an easily implementable alternative to lognormal growth (something with fatter tails)?

I have a toy model in Excel for the growth of a investment portfolio. I assume iid lognormal annual growth factors: =EXP(mu+sigma*NORM.S.INV(RAND())) where mu and ...
109 views

### Calculate alpha (CAPM) in “cross country-portfolio”

Assume I wanted to compute the alpha (in CAPM sense, i.e. $r_i - r_f = \alpha_i + \beta_i(r_m - r_f) + \epsilon_i$) of a stock. So I take, say, monthly returns of a stock $i$ for 1 year. Subtract the ...
311 views

### Forex trades: what time zone are trade and value dates specified in?

When receiving a value date of D from the counterparty for a trade in NZD/USD, is D assumed to be date D in Auckland date D in New York date D in UTC date D in some arbitrary time zone ? There ...
1k views

### What is Prompt Date Structure?

In LME website Prompt Date Structure is explained as this. Why there are prompt dates? LME trading calendar isn't universal to all other calanedars found in the market. So how do "Non-tradable dates ...
136 views

### What is the motivation for index benchmark?

I know that many funds have local index (i.e., SPX in US) as their benchmark. Why are investors interested in such kind of returns instead of absolute returns. From the first glance I'd think one ...
260 views

### Why does Futures contract credit and debit a position daily, if it has “locked” the price?

I thought I had understood futures contract. But it seems the daily settlements betray my understanding. Futures contract provides price & product safety to involved two parties. E.g. Wheat ...
72 views

### Order 1.5 strong SDE integration methods for systems with diagonal additive noise

I'm looking into simple-to-implement and efficient order 1.5 strong SDE integration schemes for my system. My noise is diagonal and additive (possibly time-varying). Thus methods designed for either ...
654 views

### Relationship between Large Cap and Small Cap Volatility

Relative value of large cap volatility. We all track the VIX as a measure of volatility, but we often forget that the VIX is volatility indicator for the large cap index within the SP500. We can ...
135 views

### Why is that maximizing stock value, under uncertainty, is a better option than maximizing profits?

I've been trying to access the papers that state that kind of problem, but most of them need payment for access and I am on a student budget. I know that maximizing profits=maximizing stock value in ...
2k views

### Forex brokers with free API compatible with Node.js

I have a Forex trading signal generator written in Node.js and now I am looking for a Forex broker with a free Node.js compatible API. The requirements are simple: be able to send new trade orders ...
105 views

### Where can I buy historic raw recording of an exchange

Say I want to buy historically recorded raw feed from an European exchange (say LSE). Is there a vendor that would sell me this data ? EDIT: By raw feed I mean the order by order feed (or equivalent) ...