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A "fast selling stuff" index... how to calculate it?
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Lamthara Lachesis
Emporio Amarr
#1 - 2012-04-29 08:38:33 UTC
Hello fellow traders out there.

I ask you if you can share a little bit of knowledge to this little khanid who just finished the Amarrian University... she's strong in praying and chants but not that much in math :\

Using the Eve Central api i'm trying to find out a way to calculate an index or a number that will highlight the objects that have an high level of exchange.

For instance, is there a way to get the average number of exchange done in the last month / week? So i know that the Large CCC is sold 200 times per day but instead the expanded cargohold II instead is around 1.500 units per day? ...or at least calculate something useful as well from the datas got from the site?

May the god enlight your path, fly safe etc etc etc.....

//Lam
Smoke Adian
#2 - 2012-04-29 16:17:26 UTC  |  Edited by: Smoke Adian
Just go to the price history tab in the market ingame. Items sold per day and number of transactions per day.

[edit] Stop using EVE Central for trading. Put alts in the systems you trade in. EVE Central provides lots of inaccurate info. Say someone lists a 90 day buy order for a certain item and no one else updates that item for 12 days. The buy order could have been filled within hours yet it still shows on EVE Central 12 days after it disappeared from game. Any good trade deals you find on EVE Central are long gone by the time you view them.
Ren Oren
Native Freshfood
Minmatar Republic
#3 - 2012-04-30 05:13:16 UTC
Yeah EVE Central is pretty off, stopped using that site long ago, as a matter of fact most "EVE Price" sites are normally horribly out of date, I just have a jita alt, way more accurate
Lithalnas
Dirt 'n' Glitter
Local Is Primary
#4 - 2012-04-30 05:55:54 UTC
Something else you should probably do is log the number of items you can sell with your playstyle. Then you can create a standard deviation for number sold in a day. You can also apply the same to your method of procurement, build or buy and get the right amount of inventory you should have in order to satisfy demand and not carry way too much.

http://books.google.com/books?id=Oyh5xfG41XEC&pg=PA236&lpg=PA236&dq=supply+chain+demand+standard+deviation&source=bl&ots=DM6mT8oD2R&sig=e2eQKRPH7YfU3FH7EWESJLEgzjg&hl=en&sa=X&ei=SymeT4L8KOnPiALPn4iYAQ&ved=0CDYQ6AEwAw

https://www.facebook.com/RipSeanVileRatSmith shoot at blue for Vile Rat http://community.eveonline.com/devblog.asp?a=blog&nbid=73406