# All Questions

152 views

### Basket Option weight sensitivity calculation

I am looking to find/estimate the "greeks"/option price sensitivities/derivatives for a basket option situation. In specific the change in price of a put option associated with a change in weight of a ...
172 views

### How do I simulate stock prices for a 10 asset portfolio, over a period of 10 years in MATLAB? [closed]

If I have given vectors for return and volatility (i.e. I have two 1x10 vectors), and I assume at first that their correlation is 0 (meaning my covariance-variance matrix is just diagonal), how do I ...
86 views

### Korean Bond futures market: is there a fundamental difference between 3yrs, 5yrs and 10yrs contracts?

I would like to model Korean government bond futures. So far I know two concepts (just a short, incomplete description) cash-settled futures (e.g. Australia): The average yield of a basket of bonds ...
160 views

### Estimate weekly, yearly quantities from finite samples

I'd like to estimate from a daily prices serie $P_t$ with $N$ observations a quantity such as the variance of the weekly returns. I will use $\ln\left(\frac{P_{T+5}}{P_T}\right)$ assuming 5 days in a ...
151 views

335 views

### Appropriate measure of Volatility for economic returns from an asset?

I am doing research on uncertainty analysis and risk assessment for oil field development. For doing economic forecast and valuation I use Real Options theory, which is almost similar to theory used ...
1k views

### Why is there no “meta-model”?

If I design a trading model, I might want to know the model's half life. Unfortunately, it doesn't seem possible to predict alpha longevity without a meta-model of the market. Intuitively, such a ...
467 views

### What is the best method to compute project volatility in Real Option Valuation?

There are few methods like Copeland-Antikarov, Herath-Park, Cobb-Charnes etc. to compute project volatility, however these methods compute upward biased volatility. What is the best method I could ...
9k views

### How to simulate stock prices with a Geometric Brownian Motion?

I want to simulate stock price paths with different stochastic processes. I started with the famous geometric brownian motion. I simulated the values with the following formula: ...
118 views

### Reasoning for Bloomberg's short rate volatilty calculation

Bloomberg, in its documentation, explains that it calculates the short rate volatility for its Hull White implementation by multiplying the e.g. 10y IRS rate (divided by 100) by the 10y cap vol. Why? ...
200 views

### Comparison of Brownian Motion Expected Drawdown and simulated results

Can anyone tell me whether results as predicted by Brownian Motion for a given mean and std, match what you get by measuring actual drawdown from simulated results over a number of iterations?
89 views

### Change of order size

For example I am put a limit order of size 10 at top bid. moments later, my algorithm detects we should have size of 50 here. So we request a update on this order. My question is, will we lose the ...
561 views

### How much does a Grid Computing software cost?

So far, I have been performing computations either on my own computer, or using an in-house scheduler that basically chooses a one of the employees' available workstations to run tasks in the ...
1k views

### Value of American Call vs Value of European Call when using implicit finite differences

I calculated values for put options (european and american) using the implicit finite difference method and compared them to black/scholes values. The values for american put options are higher than ...
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6k views

### How do you explain the volatility smile in the Black-Scholes framework?

Does anyone have an explanation for the currently naturally forming volatility smile (and the variations) in the market?
529 views

### Issues when considering a quantitative trading/finance firm

I have an upcoming quantitative trading interview (prop desk at a large bank), and I would like to have some good questions to ask about the group. However, I am changing fields from academia and I do ...
538 views

### Data sources for financials of global equities

I looked through the master list of data sources but could not find any data sources for financial data of global equities. An example would be the balance sheet of, say, ...
84 views

### How can foreign investment have a negative figure?

Just looking at http://www.tradingeconomics.com/japan/foreign-bond-investment Wondering how can foreign bond investment be negative? You can have 0 investment, you can have positive investment, but ...
201 views

I'm attempting a "hello world" of live algorithmic trading. A script that pulls in tick data, presents it visually, and allows me to buy / sell at the press of a button. Also a toggle between { fake ...
317 views

### Papers and algorithms on bidding schemes for best order execution?

I'm building an automated option trading bot that executes common options multi-leg strategies (straddles, spreads) and I want to learn the best way to execute my orders. As you know, the bid-ask ...
128 views

### Derivation of the Stochastic Vol PDE

I'm trying to follow the derivation of the stochastic vol pde for an option price - as given in Gatheral (The vol surface), Wilmott on Quant Finance and many other places. As usual one starts off with ...
187 views

### Industry convention to track trading performance against market indices?

I come from a programming background and not am no quant by career so this is probably a newbie question for you guys. I have written some code to pull daily closing values for market indices ...
335 views

### analyze strategy performance with given matrix of weights/time and weekly returns in R

I have a matrix of 259 weekly returns, 50 assets and a portfolio composition for each of the 259 weeks. I would like to test the performance of the portfolio during 52 weeks, rebalancing every 12 ...