Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
95% | 5% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
95% | 5% | 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 |
|---|---|
| O/U 180.5 | 95% |
| O/U 176.5 | 95% |
| O/U 178.5 | 94% |
| O/U 177.5 | 94% |
| O/U 179.5 | 93% |
| Spread -1.5 | 64% |
| Spread -2.5 | 57% |
| Nneka Ogwumike: Points O/U 17.5 | 50% |
| Sydney Taylor: Points O/U 16.5 | 50% |
| Dearica Hamby: Points O/U 16.5 | 50% |
| Kamilla Cardoso: Points O/U 14.5 | 50% |
| Rae Burrell: Points O/U 14.5 | 50% |
| Azurá Stevens: Points O/U 12.5 | 50% |
| Kamilla Cardoso: Rebounds O/U 8.5 | 50% |
| Dearica Hamby: Rebounds O/U 8.5 | 50% |
| Nneka Ogwumike: Rebounds O/U 8.5 | 50% |
| Azurá Stevens: Rebounds O/U 6.5 | 50% |
| Erica Wheeler: Assists O/U 5.5 | 50% |
| Dearica Hamby: Assists O/U 2.5 | 50% |
| Nneka Ogwumike: Assists O/U 2.5 | 50% |
| Azurá Stevens: Assists O/U 2.5 | 50% |
| Azurá Stevens: Rebounds O/U 7.5 | 50% |
| Rae Burrell: Points O/U 15.5 | 50% |
| Dearica Hamby: Points O/U 15.5 | 50% |
| Chicago Sky vs. Los Angeles Sparks | 34% |
Market context
Market consensus: 95% chance of chicago sky vs. los angeles sparks. Prediction markets aggregate real capital to produce this probability signal. In the upcoming WNBA game, scheduled for July 10 at 10:00PM ET: If the Chicago Sky win, the market will resolve to "Chicago Sky". If the Los Angeles Sparks win, the market will res…
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $294K.
Methodology
This page compares Chicago Sky vs. Los Angeles Sparks 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
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- 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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- 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.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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