LoL: Shopify Rebellion vs Sentinels (BO3) - LCS Regular Season

Platform comparison

Active sub-markets

Market context

Shopify Rebellion face Sentinels in a League of Legends best-of-three match scheduled for 9 May at 21:00 UTC as part of the LCS regular season. The Polymarket contract currently prices this at 100% implied probability for Shopify Rebellion, meaning traders are pricing in a near-certain victory for the Canadian organisation. This extreme pricing reflects either exceptional confidence in Shopify Rebellion's form or minimal liquidity depth on the Polygon-based conditional token pair, where USDC settlement occurs at the 2 May 10 deadline.

Historical LCS match outcomes show that regular season fixtures rarely result in cancellations or ties, making the 50-50 resolution clause largely theoretical. However, the 100% probability warrants scrutiny: Shopify Rebellion's recent performance trajectory, roster stability, and head-to-head record against Sentinels should inform whether this pricing reflects genuine dominance or market inefficiency. Comparable esports markets on Polymarket have occasionally mispriced underdogs when liquidity concentrates on favourites, particularly in lower-tier regional play where data availability is sparse.

Traders should monitor LCS official announcements for schedule changes, player availability issues, or technical delays that could trigger the seven-day cancellation clause. Recent roster moves or coaching changes at either organisation could shift match dynamics materially. The settlement window's tight closure—just hours after the scheduled match time—leaves minimal buffer for extended series play, meaning any fixture running into overtime or requiring rescheduling creates resolution ambiguity that could activate the 50-50 clause.

Methodology

We track LoL: Shopify Rebellion vs Sentinels (BO3) - LCS Regular Season on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.