Our read: the CPM laddering routine smart buyers use on pop
Flat-bidding a pop source leaves money on the table both ways. The ladder:
— Start at the network's suggested floor MINUS 10%. You'll lose top zones, keep the cheap winners.
— Every 90 min, bump bid +5% on zones with positive ROI only (use rules, not manual).
— The second your win-rate on a target zone crosses ~70%, stop climbing — you're now overpaying the auction.
— Drop bid 8% network-wide during the source's reported low-fill hours; you inherit cheaper leftover inventory.
Log the bid/win curve per geo. It's your private rate card.
— confidence: medium
Pop Wire
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