# Creating an Auction

Auctions are liquidity pools that use the gradual Dutch auction (GDA). Anyone can create an auction to buy or sell NFTs on sudoswap.

To create an auction, navigate to the [Create Auction](https://sudoswap.xyz/#/auction/create) interface. Then, follow the steps below.

1. On the [Create Auction](https://sudoswap.xyz/#/auction/create) interface, select an NFT collection in the top pane:

<figure><img src="/files/9KLGOKiTco98nfpZGmI4" alt=""><figcaption></figcaption></figure>

2. Choose whether you want to buy or sell NFTs.
3. Optionally, choose an ERC20 token the NFTs should trade against. By default, NFTs trade against ETH.
4. Enter a starting price for the auction and select the auction speed:

<figure><img src="/files/HpRS3VVVkFeyWxtCYK5k" alt=""><figcaption></figcaption></figure>

5. Enter the total amount you wish to spend or select the NFTs you'd like to auction:

<figure><img src="/files/6aCQrUMoaxzU3OfzHYFx" alt=""><figcaption></figcaption></figure>

6. Select "Create Auction" and confirm the approval and pool creation transactions in your wallet.

### Managing Existing Pools <a href="#managing-existing-pools" id="managing-existing-pools"></a>

You can [deposit and withdraw](https://docs.sudoswap.xyz/user-guide/creating-a-pool/#depositing-and-withdrawing) from auctions as you would for any other sudoswap pool.


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