Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Arthur Rinderknech and Alexander Bublik are due to meet in the Geneva Open quarter-finals, with the market still heavily tilted towards Bublik advancing. A 99% crowd-implied price usually reflects either a result already being widely expected by the time money arrives, or a market where near-certain settlement is being priced because the event is under way and no disruption is visible. In tennis, that kind of one-sided probability often tightens further when the draw has cleared, the match has been scheduled, and deposits are already in the system through fast on-ramps such as Klarna, SEPA or USDC, which can deepen books quickly when traders can fund and withdraw without friction.
For comparison, ATP 250 quarter-finals can still swing if there is a withdrawal, walkover or prolonged suspension, but once a match starts those outcomes become much rarer than ordinary upset risk. The current price is therefore less about an even contest and more about settlement certainty: if one player is named to start and the scoreline is normal, the market usually closes around the on-court result. Similar spots at smaller European events have seen very high favourites hold once the player list is confirmed, because the main residual risk is not performance but whether the match is actually completed inside the settlement window.
The key catalysts are formal order-of-play updates, any injury or illness reports, and whether the quarter-final is shifted by rain or court delays. Geneva’s schedule matters because a postponement beyond the seven-day window would force the tie outcome in this market, regardless of pre-match odds. Recent tournament reporting from Geneva and live score services indicates the fixture is on the day’s Centre Court programme, so traders will be watching for late changes to the running order more than for fresh pricing movement. Funding flows also matter here: markets tend to stay deeper when users can add balance quickly and move winnings out through the same rails.
Methodology
We track Geneva Open: Arthur Rinderknech vs Alexander Bublik on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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 Geneva Open: Arthur Rinderknech vs Alexander Bublik on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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