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% |
| First Blood in Game 1? | 91% |
| Odd/Even Total Kills | 90% |
| Total Kills Over/Under 24.5 in Game 1? | 90% |
| Total Kills Over/Under 30.5 in Game 2? | 53% |
| Total Kills Over/Under 33.5 in Game 2? | 53% |
| Total Kills Over/Under 27.5 in Game 2? | 53% |
| Odd/Even Total Kills | 51% |
| Total Kills Over/Under 24.5 in Game 2? | 51% |
| Total Kills Over/Under 21.5 in Game 2? | 51% |
| 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% |
| 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% |
| Total Kills Over/Under 36.5 in Game 2? | 50% |
| Total Kills Over/Under 39.5 in Game 2? | 50% |
| First Blood in Game 2? | 49% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Slay a Dragon | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Total Kills Over/Under 36.5 in Game 1? | 10% |
| Total Kills Over/Under 39.5 in Game 1? | 10% |
| Game 2 Winner | 0% |
| Game Handicap: C9 (-1.5) vs Disguised (+1.5) | 0% |
| Total Kills Over/Under 33.5 in Game 1? | 0% |
| Total Kills Over/Under 30.5 in Game 1? | 0% |
| Total Kills Over/Under 27.5 in Game 1? | 0% |
Market context
Cloud9’s best-of-three against Disguised is still the reference point for how this market is pricing the series: Polymarket’s **100% YES** implies an extreme consensus that Cloud9 win, while on comparable esports books the same matchup has been shown at roughly **1.40 decimal** for Cloud9, which translates to about **71% implied probability** before platform-specific margins. That gap matters because prediction markets quote pure probability, whereas betting books embed vig and often present different price formats; 2ez.bet, for example, listed Cloud9 around **87.92%** in a spring meeting, while Bo3.gg’s model has also described Cloud9 as the clear favourite on recent form and head-to-head history.[1][5][8]
The historical frame is straightforward: Cloud9 have dominated this pairing, including a **2-0** series win in the spring regular season, and Bo3.gg’s matchup data says Cloud9 have won all four prior meetings against Disguised.[1][12][17] That makes the current 100% pricing less about balanced team strength and more about whether the market is treating a Cloud9 win as near-certain because of the matchup record, with the remaining tail risk concentrated in unexpected underperformance, drafts, or an early series disruption rather than a normal skill-based swing.[1][9][11]
For traders comparing venues, the main catalysts are simple: any official schedule change, roster substitution, technical pause, or postponement could matter more here than the usual form debate, because a match not played, tied, or delayed beyond seven days resolves to **50-50** under the contract rules. Live scoreboards were already tracking the fixture on 8 August, which suggests the decisive variable is execution and completion rather than whether the series exists at all.[3][13] On platform mechanics, Polymarket users generally see a single probability line, whereas Betfair and Smarkets show exchange-style decimal pricing and require account verification in their supported jurisdictions; that means the same underlying series can look closer to a “certain” favourite on Polymarket than on an exchange where fees, liquidity, and local KYC access shape the executable price.
Methodology
We read LoL: Cloud9 vs Disguised (BO3) - LCS Regular Season 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
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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: Cloud9 vs Disguised (BO3) - LCS Regular Season on Robinhood Prediction Markets
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