Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
75% | 25% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
75% | 25% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Indiana Fever vs. PortlandFire | 75% |
| O/U 180.5 | 68% |
| O/U 183.5 | 62% |
| O/U 184.5 | 59% |
| Megan DiLeo: Rebounds O/U 3.5 | 58% |
| Caitlin Clark: Rebounds O/U 3.5 | 57% |
| Megan DiLeo: Points O/U 13.5 | 56% |
| Caitlin Clark: Assists O/U 8.5 | 56% |
| Carla Leite: Points O/U 14.5 | 55% |
| Carla Leite: Assists O/U 5.5 | 55% |
| O/U 185.5 | 55% |
| O/U 186.5 | 53% |
| Aliyah Boston: Points O/U 16.5 | 52% |
| Bridget Carleton: Points O/U 12.5 | 51% |
| Spread -7.5 | 51% |
| O/U 187.5 | 51% |
| Megan DiLeo: Points O/U 14.5 | 50% |
| Kelsey Mitchell: Points O/U 22.5 | 49% |
| O/U 188.5 | 48% |
| Caitlin Clark: Points O/U 19.5 | 48% |
| Aliyah Boston: Points O/U 17.5 | 47% |
| Spread -8.5 | 46% |
| O/U 189.5 | 46% |
| Emily Engstler: Rebounds O/U 5.5 | 45% |
| Bridget Carleton: Rebounds O/U 3.5 | 45% |
| Bridget Carleton: Assists O/U 2.5 | 45% |
| Aliyah Boston: Rebounds O/U 8.5 | 44% |
| Caitlin Clark: Rebounds O/U 4.5 | 44% |
| Caitlin Clark: Assists O/U 9.5 | 44% |
| Aliyah Boston: Assists O/U 3.5 | 42% |
| Carla Leite: Rebounds O/U 2.5 | 39% |
| Caitlin Clark: Points O/U 20.5 | 28% |
| Carla Leite: Points O/U 15.5 | 28% |
Market context
Indiana Fever play the Portland Fire in a regular-season WNBA game, with the crowd pricing Fever victory at **75% YES**, which is broadly consistent with Indiana’s stronger season profile, road form, and recent scoring edge. ESPN lists Indiana at 18-10 against Portland’s 11-17 entering the game, with the Fever averaging more points, rebounds and made threes, while Portland’s defence has been more vulnerable to efficient shooting[5]. The head-to-head also supports a Fever lean: Indiana won the first meeting 90-73, though Portland answered with a 100-84 home win, so the market is pricing a side with a meaningful but not overwhelming edge rather than a one-sided mismatch[2][6].
For comparison across platforms, Polymarket-style markets usually quote *implied probability*, so 75% translates directly into the same ballpark as a 1.33 decimal price on a betting exchange, while Betfair and Smarkets typically show *decimal odds* and then take commission from winnings rather than embedding the fee in the displayed probability. That means a 75% market on one venue can look slightly different after fees and liquidity, especially on exchange products where the traded price moves with order flow; Kalshi’s event-contract format is also probability-based, but access and KYC availability vary by jurisdiction and account type. For this specific game, the main cross-platform difference is less about the basketball angle and more about whether the user is seeing a clean probability, an exchange price net of commission, or a contract price with different onboarding rules.
Traders should watch for any late roster news, because Caitlin Clark’s availability has already moved this matchup before: in the May 20 meeting, Indiana won after Clark was ruled out shortly before tip-off, and ESPN’s preview notes her 32-point outing in the prior Fever win over Seattle just before this game[2][5]. The market can also react to schedule and official status updates because the settlement window ends early on 1 August UTC, but the market remains open if the game is postponed and only resolves 50-50 if it is cancelled with no make-up game[4]. In practical terms, late scratch announcements, pre-game injury reports, and any venue or weather-related delay are the key catalysts for price movement; if the game starts as scheduled, final-score outcome including overtime decides the result[4].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $105K.
Methodology
This page compares Indiana Fever vs. PortlandFire specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Trade Indiana Fever vs. PortlandFire on Robinhood Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →