Combo (parlay)
A combo, or parlay, is a single contract built from two or more outcomes, called legs, that pays out only if every leg resolves as specified: for example, one team winning and the game total going over a set number. Kalshi creates these multi-leg contracts on demand, and its own data files its largest parlay series under a category it calls "Exotics." TickerTracker groups multi-leg products from every platform into one top-level Combos category, so they can be viewed on their own or set aside when comparing single-event activity.
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