Tier WATERFALL Ad Fill Order First Last Ads’ eCPMs Low High Ad Fill Order Last First Ads’ eCPMs Low High Ad Fill Order First Last Ads’ eCPMs Low High 2nd Tier WATERFALL Leftover Tier WATERFALL
Last Ad Fill Order Ads’ eCPMs Low High Ad Fill Order Last First Ads’ eCPMs Low High Ad Fill Order Ads’ eCPMs Low High $7 eCMP $6 eCMP $3 eCMP $7.02 eCMP $6.83 eCMP $2.15 eCMP Historical Data Price Floors
Impression No Fill (Too Expensive) No Request No Request No Request Price Floor Entry (Not Actual Bid) Ad Fill Auction Order First Last $12 $10 $10.20 $9 $5 $11.30 Actual Bid Would’ve Entered At the $10 Price Floor Waterfall with Static Price Floors Dynamic Price Floors
High Winner Fills Impression No Request No Request No Request Ad Fill Auction Order First Last Price Floor Entry (Not Actual Bid) $10.01 $9.01 $9 $5 $11.30 $10.20 $5.01 No Request No Request Actual Bid Enters At the $10.01 Price Floor Waterfall with Dynamic Price Floors Actual Bid = $10.21 $10.21