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I am trying to do an incremental download of time series financial data, with say 5 new points every time I do an download. I am trying to find a simple way to perform concatenation but I cannot seem to...

While working on a script comparing options across a large set of symbols,I discovered a few aberrant cases associated with special symbols (extra character after the stock symbol), as illustrated below. ?Apparently some of these values are stale. I...

Adding color is easy, addLines() use col like lines() itself, so you can change the code like this > plotBrackets <- function () { > require(quantmod) > getSymbols('AAPL') > chartSeries(AAPL["2009::"],theme='white', > TA='addLines(h=c(82,103,135), col=c("red","blue...

While working on a script comparing options across a large number of symbols, I hit a problem where symbols that are one character long (specifically I was trying "C", "F" and "T") generate an error for getOptionChain(). This was true...

I am trying to use IBrokers to get historical data for options.? The exact problem is the inability to figure how to construct a valid contract or in general to construct a valid request for options historical data Details: -????????? Working...

Poking around, I am now able to retrieve the correct historical data. The breakthrough was to understand that I could use reqContractDetails to get a list of valid Contracts and finally to understand the limitation on the number of bars...

I happened to have a similar problem, so let me try to be more specific. The following code, when run on the command line works, i.e. the correct graph is produced including an horizontal line at the correct position...

For the specific case of cost of carry in FX, you might want to also check oanda, that would provide you with real rates available from a FX broker. There is no automatic way to extract them that I know...

It is not Yahoo for BHI, this is the arguably strange method that was specified for contract changes, and OCC should/could have selected something that makes a little bit more sense. The relevant text from http://www.optionsclearing.com...

I am trying to get historical quotes from Yahoo. Ideally I want high quality split and dividend adjusted close prices for a set of stocks. My history so far: - I started with yahooSeries in pacjage fImport. This would be ideal...