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I'm trying to retag some questions (such as this one) on the Board Game Stack Exchange, and the only good tag I can think of is "Selling".

But that seems inefficient, and a word that covers both buying and selling would be more useful to the site. The first word I thought of was transaction but that doesn't seem to cover it.

Someone has suggested to me business, but again it doesn't sound like it works in the context.

Is there not a single word (or a phrase shorter than 25 characters) for this?

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How about trading? – coleopterist Oct 26 '12 at 21:53
Maybe "Commerce". – GEdgar Oct 26 '12 at 21:55
Does that cover selling/buying with money? It feels more like it is more suited to swapping one item for another. – Pureferret Oct 26 '12 at 21:55
WTO = World Trade Organization. The people who buy and sell stocks for a living at the NY Stock Exchange are called traders, not swappers. – user21497 Oct 26 '12 at 23:02
WTO would be traitors, not traders. ;) – Sun Jun 25 '15 at 16:32
up vote 6 down vote accepted

My first thought when I saw “buying and selling” was trading (independently of coleopterist. The verb trade covers both bartering (trading when both parties put forth goods or services) and buying/selling (trading when one of the parties puts forth money).

In context, this seems to be specifically about evaluating the price. I believe the term generally used in this domain is appraisal; valuation or pricing are used with a similar meaning in other communities.

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Appraisal has a nice ring to it. – Pureferret Oct 26 '12 at 22:04

The word you seek is 'commerce'.

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Could you explain why? – Pureferret Jun 25 '15 at 16:47
Hi LLD. This is a good answer, but, as the OP has mentioned, it would be best accompanied by a cited dictionary definition. – Dog Lover Jun 26 '15 at 0:31

Arbitrage may be the word you are looking for.

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Arbitrage seems to encompass more than just buying and selling. – deadly Feb 19 '13 at 12:42
And also to not cover much that is covered by buying and selling either. – Jon Hanna Feb 19 '13 at 12:50

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