Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Match Winner | 100% |
| First Blood in Game 1? | 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% |
Market context
Karmine Corp Blue meet Vitality.Bee in a single-game LFL regular-season League of Legends match, and the market is already pinned at 100% for Karmine Corp Blue. That price reflects how these teams have recently traded results in a BO1 setting: Karmine Corp Blue beat Vitality.Bee 1-0 in April 2026, but Vitality.Bee won their August 2025 regular-season meeting 2-1, so the series history is not one-directional even if the current crowd has fully converged on one side[1][4][10][14].
For traders, the main catalyst is simple execution risk rather than a broader form argument: the contract only settles to 50-50 if the match is not played, ends level, or is pushed more than seven days past the scheduled date without a winner, while a completed game resolves directly to the winner. The scheduled slot has been listed for 4 August 2026 at 20:00 UTC, and market pages have also shown a matching event-day listing and live pricing around the fixture, so confirmation of line-ups, start time, and any schedule shift is the practical item to watch[12][16][17]. Because settlement is in USDC on-chain, the relevant risk is operational rather than directional; if the game goes ahead and finishes, the outcome should be mechanical.
In crypto terms, this is not a BTC or ETH macro trade unless you are using the event as a proxy for risk appetite. Spot, funding, and whale-flow conditions matter more for portfolio context than for the match itself, but a broad risk-on or risk-off move can still affect how aggressively prediction-market liquidity is deployed around event windows.
Methodology
This page reads LoL: Karmine Corp Blue vs Vitality.Bee (BO1) - LFL Regular Season on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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