The eBay Noise Aggregate (eNA) Redux

The eBay Noise Aggregate (eNA) Redux
6 June 2010
EventHorizon1984

For those who were part of the thousand or so hits on our previous eNA (eBay Noise Aggregate) article, on May 29th the 30 day eBay Noise Aggregate (eNA) was 157712.  Down 9.2% from the prior eNA of 173608.

Or in sales terms:

• $157,712 - Total 30 day sales ending on or around 29 May 2010
• $173,608 - April 2010

eNA consists of one hundred nineteen (119) eBay "noise sellers" with an aggregate positive feedback of over one-half million (500,000).  "Noise" as coined by eBay CEO John "has a long moustache" Donahoe and eBay ex-CEO Meg Whitman. 

You can glean the short methodology from our previous "The eBay Noise Aggregate (eNA) - Measuring The Impact Of Store To Core" article.

"Ultimately the value eNA is measured in it's predictive ability. Or lack there of."

Let's compare the eNA downward trend to eBay's most protected Diamond seller bought by Rakuten INC Buy (Buy.com).  With Buy's huge variety of products (7,183,772 items offered over 30 days) it should be a good sample of eBay as a whole.

Buy

• $2,213,637 - Total 30 day sales ending on or around 29 May 2010
• $2,478,285 - April 2010

Down 10.7%.

Well eBay is having a rash of listing specials this month.

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