No, the auction system is dynamic. The displayed bid amount is the second highest bid + 1.
Example:
1. Player A bids 100, the displayed bid is 100 and A is the highest bidder
2. Player B bids 150, the displayed bid is 101 and B is the highest bidder
3. Player A bids 120, the displayed bid is 121 and B is the highest bidder
3. Player A bids 200, the displayed bid is 151 and A is the highest bidder
Example:
1. Player A bids 100, the displayed bid is 100 and A is the highest bidder
2. Player B bids 150, the displayed bid is 101 and B is the highest bidder
3. Player A bids 120, the displayed bid is 121 and B is the highest bidder
3. Player A bids 200, the displayed bid is 151 and A is the highest bidder