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Pardus Aeon
Galnet Genesis
Posted - 2011.06.19 00:23:00 - [1]

So since the beginning of using apps for EVE one thing I never felt like I could use them for was calculating prices and profits unless I went through and entered my own pricing data. For large tasks this was a pain since it's part of what apps are supposed to help automate. The data that the apps tend to pull automatically in my experience is always way off from the actual prices I would be buying and selling things for in Jita. I figure either it's a common problem or I'm just doing it wrong.

Do you handle getting accurate pricing data for your apps? If so, how do you do it so it is representative of what items are actually bought and sold for?

Serene Python
Posted - 2011.06.19 02:21:00 - [2]

For the longest time apps used eve-central prices. Some still do, it isn't a bad site. I currently use eve-marketdata for my prices.

The reason prices aren't always accurate is because they are user submitted and often are historical so they're behind by a few hours to days.

If you want to handle the price difference you could use some form of deviation of the price. So if it's got an average of 100 isk decrease every hour you could get when the data was submitted and apply the difference there. I am unsure whether eve-marketdata or eve-central have this information available in their api, but I wouldn't see why not.

Posted - 2011.06.19 15:12:00 - [3] delivers quite up-to-date data for jita. The prices are just a few hours behind at most. For other regions, it can be behind a few days.

If you need it more precise, you could try Serenes approach of calculating the price, based on historical data. While on this, you might want to calculate an "accuracy-estimate" value as well, that tells you, how reliable the calculated number is, depending on recent hiccups of an items price.

Pardus Aeon
Galnet Genesis
Posted - 2011.06.19 17:21:00 - [4]

Thanks Gents, good info. I'll experiment with it and see if I can get better results.


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