Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game Handicap: IG (-1.5) vs LNG Esports (+1.5) | 100% |
| Both Teams Slay a Dragon | 100% |
| Any Player Quadra Kill | 100% |
| First Blood in Game 1? | 100% |
| Total Kills Over/Under 30.5 in Game 1? | 100% |
| Total Kills Over/Under 27.5 in Game 2? | 100% |
| Total Kills Over/Under 27.5 in Game 1? | 100% |
| 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% |
| Game 1 Winner | 0% |
| Game 2 Winner | 0% |
| Match Winner | 0% |
| O/U 2.5 Games | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Penta Kill | 0% |
| Odd/Even Total Kills | 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% |
| First Blood in Game 2? | 0% |
| Total Kills Over/Under 30.5 in Game 2? | 0% |
Market context
LNG Esports and Invictus Gaming are due to meet in a best-of-three in the LPL’s Group Nirvana, with the market resolving on the match winner unless the fixture is not played or is left unresolved beyond the settlement rules. On Polymarket, the contract is priced as an implied probability, which makes a 0% YES reading effectively a floor-level view that LNG will not win; on Kalshi the same event would be quoted in a different market format, while Betfair and Smarkets would show decimal odds that can move even when the underlying win chance looks small. Smarkets also tends to feel cheaper on paper because it charges commission on net winnings rather than building margin into the quote, while access and verification requirements vary more sharply across venues, particularly outside the UK.
Historical comparisons do not support treating this as a dead certainty either way. Polymarket’s own market page notes LNG have won four of their last five matches versus Invictus Gaming’s one, but it also records an even head-to-head over prior encounters and an Invictus 3-0 in the teams’ most recent meeting on 1 January 2026.[2] Other match listings show the same pairing scheduled for 2 August, while a separate listing on Strafe places the meeting on 9 August, which underlines that traders should verify the live LPL schedule before relying on any one platform’s date stamp.[3][5][12]
For catalysts, the key variables are simple: whether the match starts on the expected timetable, whether the LPL keeps the pairing in Group Nirvana, and whether any late schedule change pushes the fixture beyond the seven-day settlement window that would force a 50-50 outcome.[3][5][14] In practice, the main tradeable divergence across books is not the game itself but how each platform expresses the same view: Polymarket’s percentage, Kalshi’s yes/no price, and Betfair or Smarkets’ decimal odds can all imply different-looking numbers from the same underlying expectation, especially in a market where one side has already been driven to the floor.
Methodology
This page compares LoL: LNG Esports vs Invictus Gaming (BO3) - LPL Group Nirvana 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 Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.
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.
- 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. Kalshi Alternative UK 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.
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