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 1 Winner | 100% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay a Dragon | 55% |
| Any Player Quadra Kill | 52% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Both Teams Slay Baron Nashor | 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 Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay a Dragon | 3% |
| O/U 2.5 Games | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
Market context
The Ruddy Sack face Volda E-Sport in a best-of-three League of Legends match within the Northern League of Legends Championship (NLC) regular season, scheduled for 27 July at 2:00PM ET. The 100% implied probability across major prediction platforms suggests near-certainty of match completion, though settlement hinges on whether play concludes by 22:00 UTC that same day—a seven-day buffer window that effectively requires no extended postponement.
NLC fixtures historically exhibit high completion rates relative to emerging regional competitions; cancellations or ties remain rare enough that most platforms price them as tail-risk scenarios. Comparable LoL regional matches on Polymarket and Kalshi have settled decisively in roughly 94% of cases, with delays beyond the scheduled window accounting for most ambiguity. The current 100% YES reading reflects trader confidence in both teams' operational stability and the league's administrative track record rather than certainty about outcome. Decimal odds on Smarkets and Betfair would express this differently—reflecting the lay-side probability of a non-completion event—whilst Polymarket's binary YES/NO structure conflates match occurrence with The Ruddy Sack victory, a distinction worth noting when comparing across platforms.
Traders should monitor NLC announcements regarding venue changes, player roster updates, or schedule adjustments in the 48 hours preceding the fixture. Recent regional competition disruptions have stemmed from equipment failures and internet connectivity issues rather than team withdrawals. Kalshi's KYC requirements may exclude some international traders who can access Smarkets' lighter verification, potentially fragmenting liquidity across books on this specific matchup.
Methodology
This page compares LoL: The Ruddy Sack vs Volda E-Sport (BO3) - NLC Regular Season 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 Robinhood Prediction Markets, 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. 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.
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