Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) 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 2 Winner | 100% |
| O/U 2.5 Games | 100% |
| Any Player Quadra Kill | 100% |
| Any Player Penta Kill | 100% |
| Both Teams Slay a Dragon | 90% |
| 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% |
| Odd/Even Total Kills | 50% |
| Match Winner | 20% |
| Both Teams Slay Baron Nashor | 10% |
| Odd/Even Total Kills | 1% |
| Game 1 Winner | 0% |
| Game Handicap: T1.A (-1.5) vs DN SOOPers Challengers (+1.5) | 0% |
| Both Teams Destroy Inhibitors | 0% |
Market context
DN SOOPers Challengers face T1 Academy in an LCK Challengers League best-of-three, and the market’s 0% crowd-implied YES price is best read as a signal of how aggressively the book is discounting an upset rather than proof the result is settled. The most recent head-to-head in April went to T1 Academy 2-1, but the January meeting was won 2-0 by DN SOOPers Challengers, so the matchup has already produced both a sweep and a reverse sweep this season.[1][2][3][7][15]
For comparison, Polymarket-style markets express the contract as a binary probability, while platforms such as Betfair or Smarkets typically show decimal or fractional odds and update through exchange depth rather than a single headline percentage; that means a “0%” screen can coexist with residual liquidity if traders are quoting tiny prices or waiting for roster confirmation. In practice, fees and access matter too: exchange commissions, market maker spreads, and regional KYC rules can make the same match look meaningfully different across books, especially for a low-liquidity academy fixture where price discovery is thin. The earlier April market already leaned T1 at roughly 1.67 decimal odds on some books, despite DN SOOPers having beaten them in January, which underlines how quickly form and recency can outweigh prior head-to-heads.[4][9][13]
The main catalysts now are basic but important: whether the fixture starts on schedule, whether the published series is the same best-of-three listed by the league, and whether any late roster or broadcast change appears before lock. LoL Esports’ league schedule page is the cleanest reference for confirmation, while match trackers note there was no live stream listed for the April meeting, which is useful because academy matches can sometimes be prone to production changes or delayed starts.[19][15] If the match is not played, ends level, or slips more than seven days beyond the scheduled date without a winner, settlement moves to 50-50 under the market rules.
Methodology
This page compares LoL: DN SOOPers Challengers vs T1 Academy (BO3) - LCK Challengers League Rounds 3-4 Challenge Group 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, which mirrors the Polymarket order book at 0% fees.
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.
- 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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