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 2 Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay a Dragon | 100% |
| Any Player Quadra Kill | 100% |
| Any Player Penta Kill | 100% |
| Both Teams Slay a Dragon | 100% |
| Both Teams Destroy Inhibitors | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay Baron Nashor | 1% |
| Both Teams Destroy Inhibitors | 1% |
| Any Player Quadra Kill | 1% |
| Any Player Penta Kill | 1% |
| Game 1 Winner | 0% |
| Match Winner | 0% |
| Game Handicap: T1.A (-1.5) vs DN SOOPers Challengers (+1.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Odd/Even Total Kills | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Odd/Even Total Kills | 0% |
Market context
DN SOOPers Challengers meet T1 Academy in a best-of-three LCK Challengers League group match, and the market’s 0% crowd-implied Yes price is far below what the teams’ prior meetings suggest. Their January LCK CL meeting ended 2–0 to DN SOOPers Challengers, but the rematch in April swung the other way, with T1 Academy winning 2–1 in the Rounds 1–2 stage, so the head-to-head has already produced both a clean sweep and a full series this year.[7][12][14]
That history makes the current market useful to read as a platform comparison rather than a simple win-probability snapshot. On Polymarket, the contract is shown as implied probability; on Kalshi, the same kind of event is typically quoted via yes/no prices and final settlement language tied to the official match result, while Betfair and Smarkets would frame the same contest as exchange prices in decimal form, with commission deducted from winnings rather than baked into the quote. The practical difference is that a 0% crowd price can still sit beside meaningful trader interest on exchanges, where one-sided prices often reflect thin liquidity or a market that has not yet been updated to the scheduled fixture.
For catalysts, the main watchpoints are whether the match starts on schedule, whether the LCK Challengers League official programme confirms the BO3 without change, and whether any late roster or format adjustment affects settlement. The market resolves to 50–50 if the match is not played, ends in a tie, or is delayed beyond seven days without a winner, so schedule slips matter more here than in a normal league table bet.[13][17] Access also differs by venue: Polymarket and Kalshi tend to be US-facing with KYC constraints, whereas Betfair and Smarkets are more dependent on local regulatory availability, which can affect how quickly late information is reflected in price.
Methodology
We read LoL: DN SOOPers Challengers vs T1 Academy (BO3) - LCK Challengers League Rounds 3-4 Challenge Group 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
- 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.
- 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 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.
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