YesNo
Two sides: YES and NO. Use for any binary question.
MultiOutcome
Two to four named options. Use for mutually exclusive outcomes.
Which to use
| Question shape | Use |
|---|---|
| Yes-or-no answer | YesNo |
| 2-4 named, mutually exclusive options | MultiOutcome |
| More than 4 options | Not supported today |
| Numeric prediction (exact price) | Not supported today |
How odds work
Each side has its own pool - the total USDC bet on that option. The odds you see come from the pool ratios, and they’re locked in for your position the moment your bet lands. For the full formula and a worked example, see Fees and odds.What’s next
- Fees and odds - how pool ratios turn into payouts.
- Create a market - open your own market.
- Market lifecycle - the phases every market goes through.