eBay glitch? What happened here?

I was watching a coin on eBay-- out of curiosity rather than intent to bid. Yesterday an email reminder that the auction was ending showed the current bidding at $727:


I went to the listing and reviewed the bidder list. Then I refreshed the screen and it had changed to this:



What? How did it go backwards in high bid amont? Why are there eleven bids for the top amount, ten of which from the same bidder?

A half minute later the bidding went to $600:



It closed at $700:



What happened here??

 

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Nothing, someone modified highest bid 10 times, and the $727 bid was cancelled.

 

Oh. Thanks for that info. I've not used eBay very often and don't know the nuances. I didn't know bids could be canceled-- are they canceled by the bidder or by the seller?

 

Both sellers and buyers can cancel bids, but it's buyers that most often do it.

 

Seems to me that there is some SHILL BIDDING going on here...

 

Why would that be? Do you actually believe that people only bid once for a coin they may want?

 

The fact that they bid and then retract their bids shows that they only want to see how high the real bidders go, so they can bid one cent below, and still get the real bidder to bid the maximum on that coin...