What is a market on Polymarket?
A single yes-or-no question on Polymarket, such as “Will the Fed cut rates in December?”
Definition
A market is a single question on Polymarket that will be settled one way or the other, such as “Will the Fed cut rates in December?”. You trade shares in its outcomes.
In more detail
Questions with several possible answers, like who wins an election, are built from several yes-or-no markets grouped into one event.
Each market has written rules that say exactly what counts as Yes, which source decides it and when it closes.
How Nostra uses it
Nostra checks the biggest holders in about 120 of the busiest markets every 6 hours.
See where top traders areRelated terms
Keep exploring
More from Nostra: rankings by topic, trader profiles, smart groups and plain-English guides.
Polymarket glossary
All 20 terms, from odds and resolution to smart money.
Top traders
Profiles for the 500 best-scored Polymarket traders, with stats and recent calls.
Smart groups
20 self-updating groups, from The Nostra 30 to Weather Wizards.
Smart money
Markets where 3 or more top-scored traders back the same side, checked every 6 hours.
How the score works
What goes into a Nostra score, how often it updates and where it falls short.
Guides
Plain-English guides to finding and following traders on Polymarket.
Nostra for iPhone
See Polymarket’s smart money on your iPhone
Nostra scores about 1,750 traders every week and lets you know when the best of them make a move.
Free to download · iPhone