Bidder numbers have continued to trend within a similar range over the past 18 months . Average registered bidders per auction sitting at a strong 4.6 while active bidders have averaged 2.8 ; these results are similar to last April which resulted in 4.7 and 2.9 respectively . While sentiment remains high , many buyers are waiting for some movement in financing costs before entering the market , which will see these rates increase later in the year , particularly if listing numbers remain subdued .