Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map 2 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 1 Total Rounds: Over/Under 22.5 | 100% |
| Map 1 Total Rounds: Over/Under 20.5 | 100% |
| Map 2 Total Rounds: Over/Under 22.5 | 100% |
| Map 2 Total Rounds: Over/Under 20.5 | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 100% |
| Map 2 Rounds Handicap: G2 Esports (-2.5) vs Sentinels (+2.5) | 100% |
| Map 1 Total Rounds: Over/Under 19.5 | 100% |
| Map 1 Total Rounds: Over/Under 23.5 | 100% |
| Map 2 Total Rounds: Over/Under 19.5 | 100% |
| Map 2 Total Rounds: Over/Under 18.5 | 100% |
| Map 3 Rounds Handicap: G2 Esports (-2.5) vs Sentinels (+2.5) | 99% |
| Map 3 Total Rounds: Over/Under 20.5 | 99% |
| Map 3 Rounds Handicap: G2 Esports (-3.5) vs Sentinels (+3.5) | 99% |
| Map 3 Total Rounds: Over/Under 19.5 | 99% |
| Map 3 Rounds Handicap: G2 Esports (-4.5) vs Sentinels (+4.5) | 99% |
| Map 3 Total Rounds: Over/Under 18.5 | 99% |
| Map 3 Total Rounds: Over/Under 16.5 | 99% |
| Map 3 Total Rounds: Over/Under 17.5 | 99% |
| Map 3 Total Rounds: Over/Under 23.5 | 50% |
| Map 3 Total Rounds: Over/Under 24.5 | 50% |
| Map 3 Total Rounds: Over/Under 25.5 | 50% |
| Map 3 Total Rounds: Over/Under 22.5 | 1% |
| Map 3 Total Rounds: Over/Under 21.5 | 1% |
| Map 2 Rounds Handicap: G2 Esports (-4.5) vs Sentinels (+4.5) | 1% |
| Map 2 Rounds Handicap: G2 Esports (-3.5) vs Sentinels (+3.5) | 1% |
| Map 2 Rounds Handicap: G2 Esports (-6.5) vs Sentinels (+6.5) | 1% |
| Map 2 Rounds Handicap: G2 Esports (-7.5) vs Sentinels (+7.5) | 1% |
| Map 2 Rounds Handicap: G2 Esports (-5.5) vs Sentinels (+5.5) | 1% |
| Map 2 Total Rounds: Over/Under 24.5 | 1% |
| Map 2 Total Rounds: Over/Under 23.5 | 1% |
| Map 2 Total Rounds: Over/Under 25.5 | 1% |
| Map 3 Rounds Handicap: G2 Esports (-5.5) vs Sentinels (+5.5) | 1% |
| Map 3 Rounds Handicap: G2 Esports (-6.5) vs Sentinels (+6.5) | 1% |
| Map 3 Rounds Handicap: G2 Esports (-8.5) vs Sentinels (+8.5) | 1% |
| Map 3 Rounds Handicap: G2 Esports (-7.5) vs Sentinels (+7.5) | 1% |
| Map 1 Winner | 0% |
| Map Handicap: G2 (-1.5) vs Sentinels (+1.5) | 0% |
| Map 1 Rounds Handicap: G2 Esports (-2.5) vs Sentinels (+2.5) | 0% |
| Map 1 Rounds Handicap: G2 Esports (-3.5) vs Sentinels (+3.5) | 0% |
| Map Handicap: SEN (-1.5) vs G2 Esports (+1.5) | 0% |
| Map 1 Rounds Handicap: Sentinels (-2.5) vs G2 Esports (+2.5) | 0% |
| Map 1 Rounds Handicap: Sentinels (-3.5) vs G2 Esports (+3.5) | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Total Rounds: Over/Under 25.5 | 0% |
| Map 1 Total Rounds: Over/Under 26.5 | 0% |
Market context
G2 Esports and Sentinels were scheduled for a best-of-three in VCT Americas Stage 2 group play, a format that leaves little room for variance because every map directly shifts qualification chances. In programme terms, this is the kind of event that should be modelled as a binary state transition with a third “void” branch only if the series is not completed or is materially delayed, which matters here because the market settles 50-50 if the match is cancelled, tied, or unresolved beyond the seven-day window. [8][10]
Recent comparable results point to G2 carrying the clearer head-to-head edge. Strafe lists G2 with 8 wins from 12 meetings against Sentinels, including a 1-0 win in their last recorded meeting in November 2025, while Hotspawn reported G2 also beat Sentinels in a 2025 Stage 2 playoff upper final on the way to the grand final. That historical frame is consistent with the broad crowd view that G2 are usually the higher-probability side in this pairing, even if short-run roster form and map vetoes can still move a BO3 materially. [2][11]
For traders running this through bots or conditional orders, the practical catalysts are the official match status, confirmed start time, and any schedule disruption from the wider Stage 2 calendar at Riot Games Arena in Los Angeles. The Spike’s schedule places the fixture on 2 August within a run of grouped matches, so postponements would likely come from broader broadcast or venue issues rather than team-specific rescheduling; for settlement, the key dependency is the official match record on vlr.gg, which Polymarket cites as the resolution source. [10][8]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Valorant: G2 Esports vs Sentinels (BO3) - VCT Americ… on Kalshi Fees
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