How come there has not been any bidding on my lot but the sale is still open?

During a simultaneous auction all lots in auction close together, meaning all lots remain available until the auction finishes.  

Every time a bid is placed, on any lot in the entire auction, the timer will restart and begin to count down again. All lots in auction close together, meaning all lots remain available until the sale finishes. 
 

On occasion the timer may reset and hold the auction open, even if there are no bids. Auction messages will be displayed to all users which will indicate the state of the Auction. AuctionsPlus do not guarantee when an Auction will conclude after the timer starts.