Questions about handling, obtaining, generating, or analyzing all types of financial or economic data.
4
votes
1answer
729 views
Why use a column database for tick/bar data?
I often hear that column-oriented databases are the best choice method for storing time series data in finance applications. Especially by people selling expensive column-oriented databases.
Yet, at ...
0
votes
1answer
46 views
BSYM for historical tickers
When looking through Bloomberg's BSYM data ADR and Common Stock data (5/2/13), I was able to find the ticker symbol 'V' associated with Visa but was unable to find any record for Vivendi, which I ...
5
votes
0answers
200 views
option chain data visualization, sunburst
I think option chains are not represented in the best way. With more and more options products coming out and trading on the various exchanges, I see vendors struggling to keep up with a good way to ...
2
votes
0answers
102 views
What are the proper metrics to look at for checking discrepancies in these two time series
I am obtaining bid/ask price and volume market data from two different sources for the same ticker and for the same day and checking to see that at time intervals X they are "roughly the same". The ...
1
vote
0answers
145 views
Data feed that shows individual orders
Does anyone know how I can obtain time and sales data for a stock?
Lots of feeds provide the total volume but I would like to see the breakdown of what buy/sell orders made up the day's volume.
I ...