Latest / The Yield Doctor with James Deaker / What Is dCPM in Digital Advertising? (Simple Explanation)
Transcript
- 0:00DCPM sounds like a technical pricing
- 0:03term, but it actually determines who
- 0:06makes money and who takes the risk in
- 0:09digital advertising.
- 0:11I remember when I first heard the term
- 0:13about 15 years ago. I was confused and
- 0:17then skeptical and honestly I still am.
- 0:21Most people think that DCPM is a
- 0:23standard term defined by the IAB. It's
- 0:27not. It's a term that is used to make
- 0:30variable pricing sound more like a
- 0:33feature. But depending on how it is
- 0:36implemented, DCPM can either make your
- 0:39pricing more efficient or it can make it
- 0:42a lot harder to understand where the
- 0:45money is going. So after 15 years in
- 0:48adtech, I have seen a lot of different
- 0:50evolutions of DCPM from a simple budget
- 0:55pacer into a more complex algorithm that
- 0:58can either save your margins or blow
- 1:01your budget on underd delivery. So let's
- 1:04break down how it actually works.
- 1:07The CPM part should be fairly
- 1:10straightforward for anybody in digital
- 1:12media. It's the cost per melee. It's the
- 1:15cost of buying 1,000 impressions. Now,
- 1:19the D in DCPM stands for dynamic, which
- 1:23doesn't actually help very much because
- 1:26it immediately raises the question
- 1:29dynamic in what sense. So, let's go
- 1:32through the who, what, why, where, and
- 1:36when, and start with a little bit of
- 1:38history. The term DCPM started with the
- 1:42rise of programmatic auctions way back
- 1:45around 2008 through 2012.
- 1:49And at that point, advertisers were
- 1:52dealing within something entirely new.
- 1:55The price of an impression could change
- 1:57impression by impression. And it was
- 2:00based on things like supply and demand,
- 2:02the audience, the content quality, and
- 2:05even competition. So pricing for the
- 2:09first time became inherently v
- 2:12inherently variable. Now in the early ad
- 2:16network era, dynamic CPM was introduced
- 2:20as a solution for this. The pitch was
- 2:23simple. Instead of paying the same CPM
- 2:26for every impression, the network would
- 2:29simply adjust the pricing dynamically so
- 2:33that you only paid for what each
- 2:35impression was worth.
- 2:37In theory, that reduces waste. In
- 2:40practice, it also meant that the network
- 2:43controlled the pricing, the inventory,
- 2:46and the optimization
- 2:48with limited transparency.
- 2:51And this is where it is important to be
- 2:53precise. DCPM has never been a formally
- 2:57defined term within the industry. And
- 2:59again, it was not ever defined and
- 3:02standardized by the IAB.
- 3:04Over time, it has been used as shorthand
- 3:08for auction-based pricing, uh, a
- 3:11blackbox model or a a specific
- 3:14commercial structure. And so, let me
- 3:17make this concrete with a simple
- 3:19example. In a fixed CPM model, you might
- 3:24pay $10 CPM for all of the impressions.
- 3:28If you do that, you are overpaying for
- 3:31the low value impressions and you're
- 3:34underinvesting, meaning you're not
- 3:36winning enough of the high value ones.
- 3:39In a dynamic model, the system might
- 3:42make you pay $2 for the low value
- 3:45impressions, $8 for something midvalue,
- 3:49and $20 for high value. So the CPM in
- 3:53this case becomes an output, not
- 3:56something that you set directly. And
- 3:59there is a a twist here, a modern
- 4:01concept called bid shading. And in
- 4:03today's first price auctions, DCPM
- 4:07models often use bid shading algorithms
- 4:10where the system looks at the historical
- 4:12value to find some minimum price needed
- 4:15to win the impression without
- 4:17overpaying. It's sort of like having an
- 4:20expert negotiator working for you every
- 4:22millisecond in the auction. And so this
- 4:25solves the problem of wasting money on
- 4:28lowquality inventory, but it actually
- 4:31introduces a new risk under delivery. In
- 4:35the fixed CPM world, the seller takes
- 4:38the risk of not having enough inventory
- 4:41in order to fill your order. In the DCPM
- 4:45world, you take the risk if you're the
- 4:47buyer. If the market price spikes and
- 4:50your target DCPM is too low, the
- 4:54algorithm simply won't win enough
- 4:57auctions. You might save money on a per
- 5:00impression basis, but you'll fail to
- 5:02spend your advertising budget or reach
- 5:05your audience.
- 5:07Now, as the market has evolved into
- 5:11DSPs, the framing changed. So for
- 5:14example, Meta has a concept called OCPM
- 5:18where the O stands for optimized.
- 5:21Google has a different concept. They
- 5:24talk about target CPM and a number of
- 5:26other things. The trade desk amongst
- 5:29those major platforms has actually
- 5:32repopularized the term DCPM in its
- 5:35client materials with a very specific
- 5:38structural meaning. And in the trade
- 5:40desks version, DCPM isn't a black box.
- 5:44Instead, it's a way to manage your
- 5:46multi-dimensional bidding where a trader
- 5:49can set a base bid and then the system
- 5:52applies bid factors, basically
- 5:54multipliers based on device, time of
- 5:57day, or audience. And this means that
- 6:00rather than forcing a trader to manage
- 6:03hundreds of different bids, the DCPM
- 6:06algorithm can automate that complexity
- 6:09to hit an average. So crucially, the
- 6:13trade desk pairs this with a transparent
- 6:15fee. Unlike the old ad networks where
- 6:19they hid their profit, the gap between
- 6:22say the $2 and the $20 bids, the trade
- 6:26desk keeps its platform fee explicit and
- 6:29stable. So the CPM is variable, the
- 6:33impressions are variable, but the take
- 6:35rate or the for the platform is known.
- 6:40Now, it's not really about dynamic
- 6:42pricing because that's already
- 6:44happening. It's really about who
- 6:46controls the strategy and who takes the
- 6:48risk when the market moves. So bottom
- 6:52line, DCPM isn't just a pricing model.
- 6:56It's a system that shifts control and
- 7:00risk. So if you hear the terms DCPM or
- 7:05OCPM,
- 7:06keep two things in mind. First is that
- 7:10they are not well-defined terms. So
- 7:12always ask what exactly does that mean
- 7:16in this platform and secondly ask who is
- 7:20actually setting the price and who is
- 7:23exposed when the market supply changes.
- 7:26I am James Deika. I am the yield doctor.
- 7:30I work with my clients on exactly these
- 7:32types of issues and help them make more
- 7:35money. Thanks for watching.