Auctions powered by people. Accelerated by AI.
Bid live, buy instantly, or sell with an AI listing copilot — backed by verified sellers, auction houses, and YYYUUUPPP's hardened marketplace engine.
Be First to Auction on YYYUUUPPP
YYYUUUPPP is opening its marketplace to verified auction houses and independent sellers. Join the founding marketplace and get early access, rewards, and priority exposure.
Browse the Marketplace
Be the first to list. Founding sellers get priority exposure.
No live marketplace listings yet.
Only approved live listings appear here. Saved, closed, and draft items remain outside public search.
Popular Categories
Browse by what interests you.
Why Pay 10%+ When You Can Pay 1%?
YYYUUUPPP keeps marketplace fees simple — one low percentage for buyers and sellers alike.
YYYUUUPPP
Payment processing, shipping, and taxes may apply where applicable.
Traditional Marketplaces
Estimates based on publicly available marketplace fee schedules. Actual fees vary by platform.
Auction Houses: Bring Your Auctions to More Buyers
Reach verified bidders without giving away a large percentage of every sale.
How YYYUUUPPP Works
Three simple steps to your next win.
Discover
Find auctions and items from verified sellers and auction houses.
Bid
Join live auctions and place bids in real time.
Win
Pay securely and arrange shipping or pickup.
Join early. Get rewarded for life.
The first verified bidders earn a Founding Member badge plus a $5 welcome bidding credit. The first auction houses get their first 3 live sessions' streaming fees waived — a Founding House perk. Refer friends and you both earn $10 credit when they place their first bid.
What's Hot — Market Insights
AI-researched trends and selling ideas, updated daily.

Auction Market Trends: What's Hot for Collectors & Sellers
Discover the latest auction market trends for October 2026. Learn what's currently in demand, from vintage watches to contemporary art, and get expert tips for collectors and sellers to navigate the bustling world of live auctions.

2026 Auction Market Trends: What Collectors Need to Know Now
From the surging demand for rare fancy-colored diamonds to the resilience of classic cars, discover the key market shifts defining the 2026 auction landscape.

Auction Market Trends: What Collectors Should Watch This Fall
As we move into late 2026, the auction market is shifting toward tangible assets and experiential luxury. Discover what’s driving demand and how you can position your collection for success.
Fee Comparison Calculator
See what buyers and sellers actually pay on a typical auction sale. YYYUUUPPP charges a flat 1% marketplace fee (seller) plus a 1% buyer premium.
| Platform | Seller Fee | Buyer Premium | Seller Nets | Buyer Pays |
|---|---|---|---|---|
YYYUUUPPP 1% marketplace fee · 1% buyer premium | $50.00 | $50.00 | $4,950.00 | $5,050.00 |
Proxibid Est. seller fee + ~10% buyer premium | $100.00 | $500.00 | $4,900.00 | $5,500.00 |
HiBid 2% auction fee on online proceeds + ~13% buyer premium | $100.00 | $650.00 | $4,900.00 | $5,650.00 |
LiveAuctioneers Est. seller fee + ~10% buyer premium | $250.00 | $500.00 | $4,750.00 | $5,500.00 |
eBay ~13% final value fee (collectibles) | $650.00 | $0.00 | $4,350.00 | $5,000.00 |
Estimates based on publicly published rate cards; actual fees vary by auction house, category, and plan. YYYUUUPPP charges a 1% marketplace fee (paid by the seller) plus a 1% buyer premium (paid by the buyer) on the final sale price.
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