Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
66% | 34% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
66% | 34% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Total Kills Over/Under 27.5 in Game 2? | 66% |
| Game Handicap: KC (-1.5) vs Fnatic (+1.5) | 61% |
| Total Kills Over/Under 27.5 in Game 1? | 61% |
| Both Teams Slay a Dragon | 51% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 1? | 50% |
| Both Teams Slay Baron Nashor | 49% |
| First Blood in Game 2? | 48% |
| Total Kills Over/Under 30.5 in Game 2? | 48% |
| Total Kills Over/Under 30.5 in Game 1? | 45% |
| Total Kills Over/Under 33.5 in Game 2? | 37% |
| Total Kills Over/Under 33.5 in Game 1? | 35% |
| O/U 2.5 Games | 34% |
| Game 1 Winner | 23% |
| Game 2 Winner | 22% |
| Match Winner | 14% |
Market context
Fnatic meet Karmine Corp in an LEC regular-season best-of-three, and the market’s 23% YES price implies the crowd currently gives Fnatic roughly a one-in-four chance against Karmine Corp. That sits below a simple coin-flip view and is consistent with a match where recent results, side selection, and draft volatility could matter more than raw brand recognition.
Recent comparable meetings do not point to a one-sided rivalry. Head-to-head records in the supplied results vary by source, but they agree that the pairing has been competitive, with Fnatic taking some recent series and Karmine Corp taking others, including a 2-1 Fnatic win in the 2025 spring regular season and Karmine Corp’s 3-0 playoff win the same split.[1][5][8] On Polymarket, the market is shown in implied-probability form, whereas on Betfair or Smarkets the same matchup would usually be read through decimal odds and net price after commission, making a 23% view easier to compare once fees are stripped out; Kalshi’s settlement is similarly event-driven, but account access and KYC availability differ by platform and jurisdiction. The practical takeaway is that this is a relatively low-confidence price rather than a strong directional statement.
The main catalysts are simple but important: whether both rosters are confirmed, whether the scheduled LEC slot holds, and whether there are any last-minute patch, substitution, or competitive-integrity announcements before the series starts. Karmine Corp arrive with strong recent form in the supplied match logs, including several clean wins over European opponents, which can support the case for them trading as favourites in other books even if Polymarket’s crowd is still pricing Fnatic as an underdog.[11] For traders comparing books, the divergence is usually less about the match itself than about friction: market depth and fee handling on Polymarket versus commission, spread, and region checks on Betfair or Smarkets.
Methodology
This page compares LoL: Fnatic vs Karmine Corp (BO3) - LEC Regular Season specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Trade LoL: Fnatic vs Karmine Corp (BO3) - LEC Regular Season on Robinhood Prediction Markets
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