LoL: Once Upon A Team vs ZennIT (BO3) - Road Of Legends Regular Season

Platform comparison

Market context

Once Upon A Team against ZennIT in a Road of Legends regular-season best-of-three is being priced by the crowd as a near-certainty, with the market at **100% YES** for Once Upon A Team. That makes the favourite side obvious, but it also creates the usual late-market problem: with a price this extreme, there is little room for upside unless there is a fresh schedule or roster surprise.

The historical framing is less one-sided than the market implies. Once Upon A Team beat ZennIT 2–1 in their most recent meeting on 14 May 2026, but the longer series history is still competitive, with ZennIT holding the edge across prior head-to-heads and a stronger overall ranking profile in recent third-party listings.[1][10][16] Some market pages also show earlier pricing that was far lower, including a 56/44 split on Polymarket for the same pairing in May, which suggests this fixture has not always been treated as a blowout on paper.[15] Against that backdrop, the current 100% print looks like a consensus-following position rather than a clean value entry, while the contrarian angle is that a best-of-three between familiar opponents can still hinge on draft, side choice, and early tempo.

The main catalysts are straightforward: confirmation the match is actually played on the scheduled date, any postponement beyond the seven-day settlement window, and any roster or format changes before series start. The market description makes cancellation, no result, or an excessive delay a 50-50 outcome, so schedule risk matters as much as pure match strength. Recent match listings show the teams have been active in Road of Legends this season, and later-season results elsewhere have pointed to ZennIT being capable of upsetting stronger opposition, which is the kind of form note that can keep a trader cautious even when consensus is heavily skewed.[6][7][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews LoL: Once Upon A Team vs ZennIT (BO3) - Road Of Legends Regular Season across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.