LoL: Maryville University vs Cupid Esports (BO3) - North American Challengers League Group Stage

Platform comparison

Market context

Maryville University and Cupid Esports are scheduled for a best-of-three in the North American Challengers League group stage, with listings placing the start around 21:00 UTC on 31 July 2026. The market is binary on the match winner unless the fixture is not completed, in which case the contract can fall back to 50-50 under the stated delay and cancellation rules.[1][2][7]

For historical framing, this is a relatively clean read on a small-sample contest rather than a long-established rivalry: multiple match listings describe it as the first time these teams have met, and the public prediction split on Strafe is essentially even at 50-50. Broader form signals are mixed rather than decisive, with one recent summary crediting Maryville with 4 wins from its last 5 and another giving Cupid 2 wins from 2, so a 0% YES crowd price looks disconnected from the available pre-match signals rather than supported by them.[4][6][11]

A programmatic trader would watch for three things: whether the scheduled start is confirmed on live scoreboards, whether the series is still listed as active or postponed across event pages, and whether any roster or schedule changes appear before lock. Because this is a BO3, an app or bot that monitors live match state matters more than simple pre-match scraping; if the fixture disappears, slips, or is not played within the resolution window, the payout logic changes materially.[1][3][10]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews LoL: Maryville University vs Cupid Esports (BO3) - North American Challengers League Group Stage 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 Kalshi Fees, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Kalshi Fees. 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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.