Definition

An algorithmic technique in programmatic advertising that reduces your bid to just above the second-highest bidder, saving money while still winning auctions. The poker player's bluff applied to ad tech.

Example Usage

Our DSP's bid shading algorithm saved us 23% on media costs while maintaining the same impression volume.

Origin

Emerged as a response to header bidding and first-price auction models in programmatic advertising around 2017-2018.

Fun Fact

Bid shading became necessary when the ad tech industry shifted from second-price to first-price auctions, preventing buyers from overpaying.

Source: Programmatic advertising technology

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