LoL: Karmine Corp vs Natus Vincere (BO3) - LEC Regular Season

Platform comparison

Market context

Polymarket is pricing Karmine Corp at **72%** to win this BO3 on Polygon, with settlement via conditional tokens paid in USDC once the LEC result is final. The contract resolves to Karmine Corp only if they win the match; a cancellation, a tie, or a delay beyond seven days without a winner flips the market to 50-50, so the cleanest read is the series itself rather than the scheduled slot.

The current price sits below Karmine Corp’s recent head-to-head edge, which is the main historical frame traders have been using. Recent match data shows Karmine Corp beating Natus Vincere 2-0 in April and 3-1 in late May, while Bo3.gg’s live preview lists Karmine Corp with a 4-0 head-to-head advantage, a 68% recent-half-year win rate, and Natus Vincere at 57%, alongside a market price near 1.57 for KC in its own odds feed.[2][3][5] In plain terms, a 72% implied probability still leaves room for upset risk, but it is consistent with a side that has repeatedly handled this pairing over full series.[2][3][17][18]

For traders, the key catalysts are basic but important: final team sheet confirmation, any late schedule changes, and whether the match starts on time, because a no-contest or delay outcome has different settlement mechanics from a completed series. The market page itself frames the event as an LEC Regular Season BO3 scheduled for 1 August, and third-party listings are already carrying the fixture, which usually reduces venue risk but does not remove broadcast or competitive delays.[7][11][14] What matters most on-chain is whether the game reaches a completed winner before the seven-day backstop; if it does, the USDC payout follows the conditional token outcome from the actual series result.[11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track LoL: Karmine Corp vs Natus Vincere (BO3) - LEC Regular Season across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 PolyGram. 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.

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 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 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.