We are trying to get the most accurate prices on the site by analysing the Steam Market. Combined with the Market Rates we can have a stable & varied inventory.
Calculation example: Let's say that you have a knife. The Steam market price of that knife is estimated to $50 and we are giving you 90% of the market price(the Market Rate). The mathematics part is going to look like this:
'Too Low': Items worth a below 10 cents is rarely accepted.
'Overstock': We have too many of the specific item.
'Unavailable': Usually means an unstable market value(Low sell volume / Jumping prices).
'Too High': We don't accept this item because the price is too high price.
When trading items in the same type(knives to knives) the price will differ with 3-5%. We think this is fair, due to the fact that we are taking risk for every item we trade (values can crash). Also, we lay a lot of time on the bot and we are willing to get a little profit, since this is how trading works!