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Here's a great question regarding how to read buy and sell orders on GW2Spidy's graphs.
"Hi Markco,
Thanks for all your efforts in making these tips available for the community.
I previously read one of your tips about disabling some of the graphs on GW2Spidy so that it shows only the Buy and Sell prices, and thought that was excellent.
Recently I have realised that one of my weaknesses is identifying markets which have low profits but high liquidity, versus markets which have high profits but low liquidity.

Sometimes I make my bids on items which seem to fetch a good price if I can sell them, only to discover that they move very slowly and don't sell as fast as I would like them to.How do we interpret the graphs on GW2Spidy to know if a market is moving very fast?


First off, you want to look at just the Buy and Sell Listings Volumes. Those are the two mid-bottom lines, so turn everything else off as shown below.

Now you are just looking at the number of orders people put on the item over time for both buy and sell orders. You want to look for two scenarios:

#1. Buy orders going up close to the crest of the blue lines then dropping back down to further below it. If this pattern of going up and down beneath the blue line is consistent, then you have something worth flipping at certain points of time, but not others. That is ideal! You just have to get in when the gap between buy and sell is large enough to make a profit, then get out before the window of opportunity closes again. Look for items that fluctuate greatly to provide you with the most consistent profit. Doesn't have to be a large amount of fluctuating either, as a couple copper swing for many common items is enough to make them worth flipping.

#2. Buy orders going up above the total number of sell listings, then the two lines reversing suddenly in direction. This is an opportunity where demand shot up for the item and couldn't be met by the number of listings (or the price got too high so people only placed buy orders to obtain it). While these changes are usually not predictable, you can look at the dates they occurred and learn quite a bit about the economy.

Hope that helps!


  1. Mel said...:

    Hi Markco,

    Thanks for the explanation. I'll be sure to put it to good use!

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