Gruff

If you ever want to analyze data using charts , and , excel -data interaction becomes overwhelming, then one needs to write one’s own charting infra..I was in a similar position where excel based charts were not enough for my analysis. There was simply too much data to look at and hence ended up writing my own diagnostic tool using rails-postgres . Gruff a charting library for rails proved to be INVALUABLE.

Trivia on Dow

Q) What were the recent changes to the Dow Composition ? Deletions : Kodak, International Paper, and AT&T Addition : Pfizer, AIG, and Verizon.

Bleak out there

Bloomberg.com: About 33,300 finance jobs in New York City, or 7.1 percent of the 2007 peak, will be cut by June 2009, the Independent Budget Office, a non-partisan monitor of city finances, estimated in a May report.

CDBaby.com

Heard of CDBaby.com . If you are music fan, you would have ..Here are a few stats which make the site real cool : ($84 M of real value to the artists..wow!!) # 244,574 artists sell their music at CD Baby # 4,606,776 CDs sold online to customers # $84,085,098 paid directly to the artists Something interesting on their site -:) # Our servers are running Linux, Apache, PHP, and MySQL.

Greeks Trivia

Theta: Do American Options have positive theta /time decay ? If Yes , Why ? If No, Why not ? Related question: Give an example of a situation where you have postive time decay in european case ?