Arsenal stands as the sole unbeaten side in the UEFA Champions League 2025/26, boasting a 10-2-0 record through league phase and knockouts, fueling trader consensus at 50.5% implied probability for an unbeaten champion. This even split captures the competitive balance ahead of semi-final second legs, with Arsenal facing a gritty Atlético Madrid after a tense first-leg draw, while Paris Saint-Germain's 5-4 thriller over Bayern München highlights the knockout volatility. Arsenal's defensive solidity and momentum clash against Atlético's renowned low-block tactics and Simeone's big-game pedigree, with the final pitting survivors against elite firepower. A clean-sheet second-leg win could surge Yes odds toward 70%, but any Arsenal slip ends the dream, tilting toward No.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedFor the purpose of this market, “unbeaten” is defined as having not recorded a loss during any match in any stage of the Knockout Stages. The “Knockout Stages” include every match starting with the Knockout Play-Offs carrying each round of matches through, and including, the Champions League Final.
If the 2025-26 Champions League competition is cancelled, postponed after June 31, 2026, 11:59 PM ET, and a team is confirmed as unbeaten through the completed matches prior to cancellation or postponement, this market will resolve to “Yes”. Otherwise, this market will resolve to “No”.
The resolution source for this market will be official information from UEFA; however, a consensus of credible reporting may also be used.
Market Opened: Feb 24, 2026, 12:09 PM ET
Resolution Source
https://www.uefa.com/uefachampionsleague/fixtures-results/bracket/Resolver
0x65070BE91...For the purpose of this market, “unbeaten” is defined as having not recorded a loss during any match in any stage of the Knockout Stages. The “Knockout Stages” include every match starting with the Knockout Play-Offs carrying each round of matches through, and including, the Champions League Final.
If the 2025-26 Champions League competition is cancelled, postponed after June 31, 2026, 11:59 PM ET, and a team is confirmed as unbeaten through the completed matches prior to cancellation or postponement, this market will resolve to “Yes”. Otherwise, this market will resolve to “No”.
The resolution source for this market will be official information from UEFA; however, a consensus of credible reporting may also be used.
Resolution Source
https://www.uefa.com/uefachampionsleague/fixtures-results/bracket/Resolver
0x65070BE91...Arsenal stands as the sole unbeaten side in the UEFA Champions League 2025/26, boasting a 10-2-0 record through league phase and knockouts, fueling trader consensus at 50.5% implied probability for an unbeaten champion. This even split captures the competitive balance ahead of semi-final second legs, with Arsenal facing a gritty Atlético Madrid after a tense first-leg draw, while Paris Saint-Germain's 5-4 thriller over Bayern München highlights the knockout volatility. Arsenal's defensive solidity and momentum clash against Atlético's renowned low-block tactics and Simeone's big-game pedigree, with the final pitting survivors against elite firepower. A clean-sheet second-leg win could surge Yes odds toward 70%, but any Arsenal slip ends the dream, tilting toward No.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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