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intermediate

The Auction

OpenRTB, first-price mechanics, bid shading and floors — the 300ms in which the money is actually decided.

2 articles · about 7 minutes of reading

Assumes you know Marketing Fundamentals.

  1. intermediate

    How an RTB Auction Works

    The OpenRTB request/response cycle end to end — what is in a bid request, how a DSP prices it in under a millisecond, and what the 100ms timeout really constrains.

    3 minUpdated Nov 10, 2026
  2. advanced

    First Price and the Rise of Bid Shading

    Why the industry abandoned second-price auctions, what that broke for buyers, and how shading algorithms reconstruct the price discipline that was lost.

    4 minUpdated Nov 10, 2026