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LoL: KT Rolster Challengers vs Galions (BO5) - World Star Challengers Invitational Playoffs

Polymarket vs Kalshi vs Betfair vs Smarkets for "LoL: KT Rolster Challengers vs Galions (BO5) - World Star Challengers Invitational Playoffs" — live odds, fees and KYC side-by-side.

O/U 3.5 Games 72% Match Winner 52% Odd/Even Total Kills 52% Any Player Penta Kill 52% Volume: $107K Liquidity: $110K Closes: 28 Sept 2026
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LoL: KT Rolster Challengers vs Galions (BO5) - World Star Challengers Invitational Playoffs

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Polymarket Alternative) Pick
polygram.ink (preferred broker)
 72% 28% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open the market →
Polymarket (direct)
polymarket.com
 72% 28% 0% Geo-blocked in US/UK/EU USDC, on-chain Open the market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open the market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open the market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open the market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
O/U 3.5 Games72%
Match Winner52%
Odd/Even Total Kills52%
Any Player Penta Kill52%
Both Teams Slay Baron Nashor51%
Odd/Even Total Kills51%
Any Player Quadra Kill51%
Both Teams Slay Baron Nashor50%
Both Teams Slay a Dragon50%
Both Teams Destroy Inhibitors50%
Any Player Quadra Kill50%
Both Teams Slay a Dragon50%
Both Teams Destroy Inhibitors50%
Any Player Quadra Kill50%
Both Teams Slay Baron Nashor50%
Both Teams Slay a Dragon50%
Both Teams Destroy Inhibitors50%
Any Player Quadra Kill50%
Both Teams Slay Baron Nashor50%
Both Teams Slay a Dragon50%
Both Teams Destroy Inhibitors50%
Any Player Quadra Kill50%
Any Player Penta Kill50%
Both Teams Slay Baron Nashor50%
Both Teams Slay a Dragon50%
Both Teams Destroy Inhibitors50%
First Blood in Game 3?50%
First Blood in Game 4?50%
First Blood in Game 1?50%
Odd/Even Total Kills49%
Odd/Even Total Kills49%
Odd/Even Total Kills49%
First Blood in Game 2?49%
Game 4 Winner48%
Game 1 Winner47%
Game 2 Winner47%
Game 3 Winner46%
O/U 4.5 Games35%
Game Handicap: GAL (-1.5) vs KT Rolster Challengers (+1.5)33%
Game Handicap: KT.C (-1.5) vs Galions (+1.5)32%
Any Player Penta Kill26%
Any Player Penta Kill26%
Any Player Penta Kill26%
Game Handicap: GAL (-2.5) vs KT Rolster Challengers (+2.5)15%
Game Handicap: KT.C (-2.5) vs Galions (+2.5)14%

Market context

LoL: KT Rolster Challengers vs Galions (BO5) - World Star Challengers Invitational Playoffs — current market-implied probability: 72%. This market refers to the LoL Quarterfinal 4 match between KT Rolster Challengers and Galions in the World Star Challengers Invitational Playoffs, initially scheduled for September 28, 2026 at 5:00 AM…

Methodology

We read LoL: KT Rolster Challengers vs Galions (BO5) - World Star Challengers Invitational 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

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.
Which platform supports Klarna/SOFORT?
Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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