(FORTUNE Small Business) — A weeklong eBay (EBAY, Fortune 500) boycott initiated by sellers upset with fee and policy changes that began rolling out last week ended Monday with uncertain results.

During the first three days of the boycott, Medved.net, a third-party Web site that tracks eBay’s listings totals, reported a decline of about 17% in the number of listed items available for sale on eBay. The number of live items jumped a few times during the remaining days of the strike but currently sits at around 13 million, 10% lower than when the boycott began Feb. 18.

However, separating out boycott effects from standard, everyday fluctuation in eBay’s listings totals is a tricky task (eBay doesn’t publicly release listings numbers, forcing observers to rely on third-party statistics).

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