# All Questions

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### What is the correlation of and Index's dividend yield relative to its constituents?

I would like to know if the dividend yield of and index is correlated with the dividend yields of it's components separately? The purpose of this, is to use the dividend yield of the index as a proxy ...
97 views

### Combining BHHH and Levenberg Marquardt

I already asked a question related to this here: How to apply Levenberg Marquardt to Max Likelihood Estimation I know understand how Levenberg Marquardt (LM) can be applied to the objective ...
96 views

### Future spot price versus current forward price

Which are the two conditions necessary to claim that the future spot price will have as many chances to be above or below the current forward price?
1k views

### Bloomberg Zero Coupon Rates

As some of your may know from my other posts, I am working on a Dynamic Nelson Siegel (DNS) based relative value trading model. On simulated data (which satisfies all the assumptions) of the DNS it ...
97 views

### OIS discounting pre and post crises

I have a Dynamic Nelson Siegel (DNS) based rv model. I want to know if I can use pre and post-crises curves interchangeably in my calibration and out of sample testing. I.e. those without OIS ...
85 views

### What does 2 Year Annualized mean compared to 1 Year Annualized

I am looking at a company's financial report and there is a table in it that lists returns over different annualized periods. It ranges from 1 year to 20 years. Would a 2 year return in this table be ...
145 views

### Intuitive understanding of Black-Scholes pricing

The Black-Scholes formula entails market completeness, so the price of an option is only the cost associated with dynamically hedging the option. Where does this cost come from? I don't see how ...
650 views

### Directional/Non-Directional Risk

Can someone explain to me what is direction/non-directional risk? Went through few sites but couldn't understand much.
375 views

### Price change of a bond towards yield and YTM

I have been trying to get a good picture of PV01 and DV01(PVBP). I was going through below link. This measure is the absolute value of the change in price of a bond for a one basis point change in ...
821 views

### How do I do a mean variance optimization with constraints?

I am using python and the cvxopt library to calculate an efficient frontier, per the docs: http://cvxopt.org/examples/book/portfolio.html However, I cannot figure out how to add a constraint so that ...
88 views

### Sample size and historical correlation matrices

I was wondering whether any literatures existed on how to properly estimate correlation matrices from historical data. Obviously the entire procedures allows a lot of leeway. The frequency of ...
92 views

### Best performing stocks in given year

Is there a function in Bloomberg that allows the user to search the best performing stocks for a given year, say 2011, in any given stock exchange? For example, I want to see the best performing ...
320 views

### Source of Quandl Open Data

I am interested in Quandl Open Data, from Quandl.com These data are also denoted as Wiki Data since it relies on users to flag errors. In particular on their website, they say: This new data ...
368 views

788 views

### Relationship in Order Book between S&P500 and S&P500 Futures Contracts [duplicate]

What is the relationship between E-mini SPX futures and the SPX index. Besides the obvious, one is cash the other is a futures product. How does buying/selling in one product influence the other. If ...
124 views

### Difference between Ibovespa full and mini futures contract

What is the difference between the following two Brazilian futures contracts: The Ibovespa Futures Contract The Mini Ibovespa Futures Contract As far as I can tell, both are priced in Brazilian ...
867 views

### compute sharpe ratio for options?

Calculating sharpe ratio for shares is a straight forward task: (average returns - risk free ) / standard deviation. However i remain baffled as to how to tackle the task for options, can someone ...
1k views

### Deriving the par-yield curve

Given for example 6 bond prices and their respective 6 cashflows over a time period of 6 years, I have managed to derive the zero-coupon yield curve using the bootstrap method. However, it got lost ...
97 views

### Plain vanilla risk parity with trends forecasting power

I have built an asset allocation model (plain vanilla risk parity) but I would like to adapt the initial asset allocation with respect to potential futures changes in the trends of the assets under ...
275 views

### adjusted close prices on SP500

When I look at the adjusted close prices of SP500, for example, I notice that the numbers are always significantly below the actual closing. In the explanation of what adjusted prices are, one gets ...
336 views

### Delta in Covered Calls?

Just want to check whether i understand it correctly: Long Calls have positive delta Long Puts have negative Delta Long stock has 0.01 delta 100 Shares have 1 delta Therefore: Covered Call = 1 ...
437 views

I have a question about a option theta. When I evaluate the option theta of near expiry put option using Black-Scholes formula given the data as follow: Index Level = 20,500 Strike Price = 20,000 ...
408 views

### Where can I get real-time equity options quotes for a reasonable price (i am not a company) besides screen scrapping Yahoo! Finance? [duplicate]

Want to have electronic access to equity options quotes in real-time. Is there anyone offering this service to the individual investor for a reasonable price? Again it must be electronic, in other ...
439 views

### How to compute a sector's volatility within a portfolio?

Assume I have a large portfolio of equities spread across three sectors. I am attempting to compute the volatility of these sectors within the portfolio considering the cross correlations among the ...

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