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LoL: NightBirds vs The Otter Side (BO1) - EMEA Masters Swiss Stage

Post
KalshiPolymarket ✓ Verified same-resolution Closes Sep 26, 2026
MarketMaster fair value76¢ vs live 75¢ on Kalshi
1.4% against the midpoint, 0.9% against the 75¢ ask you would actually pay, -0.4% after the 1.31¢ taker fee.
No edge after fees
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
75¢ last
BidAsk
YES74¢75¢
NO25¢26¢
$2,578 volume
PolymarketTrade ↗
77¢ last
BidAsk
YES76¢77¢
NO23¢24¢
$14,559 volume
Cross-venue spread 2.0¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Kalshi and NO on Polymarket — total cost 99¢ per $1 payout, locking +1.0¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If NightBirds wins the EMEA Masters 2026: The Otter Side vs. NightBirds League of Legends match originally scheduled for Sep 26, 2026 at 3:00 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the LoL Round 1 match between NightBirds and The Otter Side in the EMEA Masters Swiss Stage, initially scheduled for September 26, 2026 at 3:00 PM ET. This market will resolve to "NightBirds" if NightBirds win the match against The Otter Side. This market will resolve to "The Otter Side" if The Otter Side win the match against NightBirds. If the match is canceled (not played at all) or ends in a tie, this market will resolve to 50-50. If the match is postponed, it must be rescheduled to a start time on or before October 10, 2026 at 11:59 PM ET (14 calendar days after the originally scheduled start of September 26, 2026 at 3:00 PM ET). If, by that deadline, the most recently announced rescheduled start time is on or before the deadline, this market resolves based on the result of the match as played. Otherwise, this market resolves 50-50, regardless of whether the match is subsequently played. If the match begins but is not completed, and one team wins due to the opponent's forfeiture, disqualification, or walkover, this market will resolve to the team who wins. If the match ends in a forfeit, disqualification, or walkover (team withdraws before the start and the other wins automatically), this market will resolve to 50-50. The resolution source for this market will be official information from https://gol.gg/esports/home. However, if https://gol.gg/esports/home has not published final results within 2 hours after the event’s conclusion, a consensus of credible reporting may be used instead including video evidence. In cases where a team’s listed name includes minor discrepancies from the resolution source, this market will resolve based on the underlying real-world match rather than exact name matching. Recognizable abbreviations, alternate or erroneous spellings, sponsor tags, affiliate or academy designations, regional identifiers, and minor formatting differences will be treated as referring to the same team, provided the intended team can be clearly and uniquely identified within the relevant competition. If a listed team name has no reasonable connection to any participating team, or if it matches or could reasonably refer to another team in the same competition such that the intended team cannot be unambiguously determined, this market will resolve 50-50.

Show full rules
STATS
Cross-venue spread2.0¢
Kalshi last75¢
Polymarket last77¢
Model fair value76¢
Model confidence18%
Venues2
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