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LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League Playoffs

Which venue prices "LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League Playoffs" best? Direct comparison of Polymarket, Kalshi, Betfair and Smarkets.

Match Winner 71% O/U 3.5 Games 70% Game 1 Winner 64% Both Teams Slay a Dragon 64% Volume: $71K Liquidity: $249K Closes: 11 Sept 2026
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LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League Playoffs

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Robinhood Prediction Markets) Pick
polygram.ink (preferred broker)
 71% 29% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
 71% 29% 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.

OutcomeProbability
Match Winner71%
O/U 3.5 Games70%
Game 1 Winner64%
Both Teams Slay a Dragon64%
Both Teams Slay a Dragon64%
Both Teams Slay a Dragon64%
Game 4 Winner63%
Game 2 Winner60%
Game 3 Winner60%
Total Kills Over/Under 30.5 in Game 4?57%
Total Kills Over/Under 30.5 in Game 1?56%
Total Kills Over/Under 30.5 in Game 3?56%
Total Kills Over/Under 30.5 in Game 2?55%
Game Handicap: KT.C (-1.5) vs DN SOOPers Challengers (+1.5)54%
Both Teams Slay Baron Nashor53%
Any Player Quadra Kill53%
Both Teams Slay Baron Nashor53%
Any Player Quadra Kill53%
Both Teams Destroy Inhibitors52%
Both Teams Destroy Inhibitors52%
First Blood in Game 1?51%
First Blood in Game 3?51%
Odd/Even Total Kills50%
Odd/Even Total Kills50%
Odd/Even Total Kills50%
Any Player Penta Kill50%
Odd/Even Total Kills50%
Any Player Penta Kill50%
Odd/Even Total Kills50%
Total Kills Over/Under 33.5 in Game 3?50%
First Blood in Game 4?49%
First Blood in Game 2?49%
Total Kills Over/Under 33.5 in Game 2?48%
Total Kills Over/Under 33.5 in Game 4?44%
Both Teams Slay a Dragon40%
Both Teams Slay a Dragon40%
O/U 4.5 Games32%
Any Player Quadra Kill29%
Both Teams Slay Baron Nashor28%
Both Teams Destroy Inhibitors28%
Both Teams Slay Baron Nashor28%
Both Teams Destroy Inhibitors28%
Any Player Quadra Kill28%
Both Teams Slay Baron Nashor28%
Both Teams Destroy Inhibitors28%
Any Player Quadra Kill28%
Total Kills Over/Under 33.5 in Game 1?28%
Any Player Penta Kill26%
Any Player Penta Kill26%
Game Handicap: KT.C (-2.5) vs DN SOOPers Challengers (+2.5)25%
Any Player Penta Kill12%

Market context

Traders on decentralised prediction markets give 71% probability to lol: kt rolster challengers vs dn soopers challengers (bo5) - lck challengers league playoffs. This market refers to the LoL Lower bracket semifinal match between KT Rolster Challengers and DN SOOPers Challengers in the LCK Challengers League Playoffs, initially scheduled for September 11, 2026…

Methodology

We read LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League 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

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

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.
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.
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.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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