Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
65% | 35% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
65% | 35% | 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 |
|---|---|
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 62% |
| Total Kills Over/Under 27.5 in Game 1? | 57% |
| Total Kills Over/Under 27.5 in Game 2? | 57% |
| Game Handicap: G2 (-1.5) vs Team Vitality (+1.5) | 56% |
| Any Player Quadra Kill | 52% |
| Any Player Penta Kill | 52% |
| Both Teams Slay Baron Nashor | 51% |
| Both Teams Destroy Inhibitors | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 1? | 46% |
| First Blood in Game 2? | 46% |
| Total Kills Over/Under 30.5 in Game 1? | 41% |
| Total Kills Over/Under 30.5 in Game 2? | 40% |
| O/U 2.5 Games | 37% |
| Any Player Quadra Kill | 30% |
| Any Player Quadra Kill | 30% |
| Game 2 Winner | 28% |
| Game 1 Winner | 27% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Match Winner | 19% |
| Both Teams Slay Baron Nashor | 19% |
| Both Teams Slay Baron Nashor | 19% |
| Both Teams Destroy Inhibitors | 16% |
| Both Teams Destroy Inhibitors | 16% |
Market context
Team Vitality face G2 Esports in a best-of-three League of Legends fixture within the LEC Regular Season on 25 July at 10:00 AM ET. The match settles in USDC on btc-prediction.bet, with current crowd pricing implying a 27% probability of a Vitality victory. Settlement occurs at 20:00 UTC the same day, allowing for standard match duration plus administrative processing.
G2 Esports have historically dominated Vitality in regular season matchups, winning approximately 60% of their head-to-head encounters over the past two seasons. However, Vitality's recent roster adjustments and improved mid-game coordination have narrowed the gap in direct comparisons. The 27% implied probability reflects G2's structural advantage whilst acknowledging Vitality's incremental improvement trajectory. Comparable LEC fixtures between established organisations and rising challengers typically settle between 25–35% for the underdog, suggesting the market has priced this within expected ranges for a team with Vitality's current standing.
Traders should monitor roster confirmations and any last-minute substitutions announced before the 10:00 AM ET start, as the LEC occasionally adjusts lineups for strategic reasons. Patch changes deployed ahead of the match window merit attention, particularly adjustments affecting bot lane or jungle mechanics where both teams show stylistic differences. Recent LEC standings and head-to-head records are published on lolesports.com; any schedule delays beyond seven days trigger the 50-50 resolution clause, which would eliminate directional exposure for holders.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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 volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- 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.
Trade LoL: Team Vitality vs G2 Esports (BO3) - LEC Regular… on BTC Prediction
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