Making a collection offer allows you to buy multiple NFTs in a collection with certain criteria such filtering specific attributes and adding an expiration time for the purchase. It combines a bit of auction and sweeping strategies to buying NFTs.
To make a collection offer on Sphere, follow these steps:
1. Connect your wallet to the Sphere marketplace.
To connect your choice of wallet (MetaMask, Immutable, Trust wallet using WalletConnect, Rabby, Ledger, or any other compatible wallet), go to https://sphere.market and at the top right of the page look for the “Sign in” button.
Upon clicking it, a pop-up list of wallets should be in view. Select your wallet by clicking the Connect button and click the “Sign in” notification popup in your wallet.
2. Search for the collection of interest
Using the search tool, search for the NFT collection of interest. Once you have found it, locate the “Make collection offer” button and click it.
3. Set the terms for the purchase
The “Make an Offer” popup screen allows you to set the offer amount and quantity, in addition to filtering the attributes (if applicable) for the NFTs.
You should be able to see the creator royalties fee, floor price, and the highest offer.
Once you are done setting the price and expiration date, click on "Make a Collection Offer"; sign the request popup shown in your wallet, and then confirm the transaction in your wallet.
(note that if it is your first time, you may be asked to approve a currency spend cap)