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Finance

How do auctions work?

An auction sells something to the highest bidder. Buyers compete by offering rising prices until no one will pay more, and the top bidder wins. Auctions set prices through live competition, making them useful when an item's true value is uncertain.

See it in motion.
Watch a 2-minute animated lesson that shows exactly how auctions works.
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Step by step

  • 1Buyers compete by bidding rising prices.
  • 2The highest bidder wins the item.
  • 3Competition reveals what buyers will really pay.
  • 4Formats vary, from open outcry to sealed bids.

Frequently asked questions

How do auctions work?
Buyers bid competitively, and the item goes to whoever offers the highest price.
What are the main types of auctions?
Open ascending (English), descending (Dutch), and sealed-bid auctions, among others.
Why use an auction to sell something?
Competition sets a fair market price, which is useful when an item's value is hard to know upfront.

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