Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Game 1 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay Baron Nashor | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Odd/Even Total Kills | 100% |
| Game 2 Winner | 0% |
| Game Handicap: SLY (-1.5) vs Vitality.Bee (+1.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Slay a Dragon | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Odd/Even Total Kills | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Slay a Dragon | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| First Blood in Game 1? | 0% |
| First Blood in Game 2? | 0% |
Market context
Solary and Vitality.Bee are scheduled to contest the upper bracket quarterfinal of the League of Legends French League (LFL) playoffs on 12 August at 3:00PM ET, with the winner advancing directly to the semi-finals. The match format is best-of-three, meaning the first team to win two games progresses. The 100% implied probability across prediction markets suggests near-certainty that the match will occur as scheduled and conclude with a decisive outcome, though the settlement window extends to 14 August at 00:15 UTC to account for potential delays.
Historical LFL playoff matches have rarely been cancelled outright, though technical issues and scheduling conflicts have occasionally pushed fixtures beyond their original windows. The resolution criteria here diverge meaningfully across platforms: Kalshi's binary structure would require explicit cancellation or a seven-day delay without completion to trigger the 50-50 split, whereas Betfair and Smarkets typically offer lay options that allow traders to hedge against no-contest scenarios. Polymarket's decimal odds format (currently reflecting approximately 1.00 odds for either outcome) masks the true probability distribution when crowd sentiment is this skewed.
Traders should monitor LFL official communications for any roster changes, technical rehearsals, or venue adjustments in the days preceding the match. Recent esports scheduling disruptions have stemmed from player illness and equipment failures rather than administrative cancellations. The tight settlement window—ending just over two hours after the scheduled start—means any match running significantly over time could create ambiguity, particularly on platforms with strict UTC cutoffs versus those allowing reasonable completion buffers.
Methodology
We read LoL: Solary vs Vitality.Bee (BO3) - LFL Playoffs from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- 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.
- 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.
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