Polymarket has officially launched combo trading for users of the prediction market platform, allowing event contract traders to “bundle multiple market positions” into a single “yes” or “no” position.
The offering appears to be a direct competitor to parlay wagers in traditional sports betting, especially given Polymarket has currently restricted combo trading to sports-specific markets.
Polymarket provides an official definition of combos, describing the offering as “multi-leg positions that combine multiple underlying market outcomes into one yes or no position. Each Combo is defined by its legs and identified by derived yes and no position IDs.”
As part of a social media post announcing the new launch, Polymarket encouraged users to stack trades on ongoing sports such as the Ultimate Fighting Championship (UFC), Major League Baseball (MLB) and 2026 FIFA World Cup.
Polymarket also stated: “A Combo lets you bundle multiple market positions into a single trade. Instead of placing separate trades on individual markets, a Combo ties them together - you only win if every leg of your Combo resolves in your favor. The tradeoff: higher risk, higher reward.
“Think of it like combining multiple trades into one – if they all hit, your payout is much higher than placing each trade individually.”
Sound familiar?
It remains to be seen if Polymarket eventually allows users to combine trades across multiple markets, such as taking a specific football team to win and combining it with the result of a political election.
Kalshi first launched combos as a beta test in September 2025, prior to expanding the offering to also include markets related to the National Football League (NFL) and National Basketball Association (NBA).
Robinhood Markets also introduced pre-set combinations on the outcome, totals and spreads of individual NFL games in December, as VP and GM of Futures and International JB Mackenzie confirmed the offering has the same "structural look or feel as a parlay."
US senators John Curtis and Adam Schiff called for a federal investigation into Polymarket after reports surfaced that the prediction market operator paid creators to promote staged betting content
