Submissions are reviewed before they go live — usually quickly.
World Cup markets appear on the World Cup page; every category gets its own tab on the homepage.
Square images of 256×256 or larger look best — we crop everything to a square tile. JPG, PNG, WebP or GIF up to 1 MB; bigger photos are shrunk automatically before upload. No image? We generate a cover for you.
Runs indefinitely. Suitable for deep, established questions.
Perpetual
Binary: two answers — the side with the higher share at close wins; winning holders split the pot, losing positions expire worthless.