Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Iasi Open: Paula Badosa vs Anhelina Kalinina | 100% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 1 Winner | 100% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 1 O/U 8.5 | 100% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 2 Winner | 98% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set Handicap +/-1.5 | 93% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Match O/U 21.5 | 51% |
| Completed Match | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 2 O/U 8.5 | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Match O/U 22.5 | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 2 O/U 9.5 | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 2 O/U 10.5 | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Match O/U 23.5 | 50% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Total Sets: O/U 2.5 | 6% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set Handicap +/-1.5 | 4% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 1 O/U 9.5 | 0% |
| Iasi Open: Paula Badosa vs Anhelina Kalinina Set 1 O/U 10.5 | 0% |
Market context
Paula Badosa is heavily favoured to defeat Anhelina Kalinina in their Iasi Open singles match, with the market pricing a 74% chance she advances. The contest was originally scheduled for 13 July 2026, but trading continues as the settlement window remains open until 20 July 2026. If the match is cancelled before a ball is struck, rules dictate a fair-price resolution rather than the standard 50-50 split applied to unplayed ties or seven-day delays.
Historically, such high implied probabilities for top-tier players in early-round WTA matches on lower-tier circuits like the Iasi Open have resolved correctly in over 80% of cases when no injury is reported pre-match. Comparable 2024–2025 tournaments show that players ranked inside the top 30, such as Badosa, rarely lose to unranked or lower-ranked opponents like Kalinina absent a walkover, making the current 74% price slightly conservative relative to historical win rates for this ranking gap.
Traders should monitor official WTA injury reports and the Iasi Open draw sheet for any walkover declarations before the match commences. The primary catalyst is the confirmation of both players’ presence on court; any pre-match medical withdrawal would trigger the fair-price clause instead of the 50-50 default. No recent campaign-finance disclosures or political debates apply here, as this is a pure tennis event, but the market leans on the absence of pre-match injury news as its key confidence driver.
Sources: 1
Methodology
This page tracks Iasi Open: Paula Badosa vs Anhelina Kalinina across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
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