Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
66% | 34% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
66% | 34% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| New York Liberty vs. Chicago Sky | 66% |
| O/U 179.5 | 62% |
| O/U 181.5 | 60% |
| Spread -3.5 | 58% |
| Sabrina Ionescu: Points O/U 16.5 | 57% |
| O/U 180.5 | 56% |
| O/U 182.5 | 55% |
| Spread -4.5 | 54% |
| Jonquel Jones: Points O/U 14.5 | 51% |
| Breanna Stewart: Points O/U 22.5 | 50% |
| Sabrina Ionescu: Points O/U 17.5 | 50% |
| Kamilla Cardoso: Points O/U 13.5 | 50% |
| Azurá Stevens: Points O/U 11.5 | 50% |
| Natasha Cloud: Points O/U 10.5 | 50% |
| Jonquel Jones: Rebounds O/U 9.5 | 50% |
| Breanna Stewart: Rebounds O/U 8.5 | 50% |
| Kamilla Cardoso: Rebounds O/U 7.5 | 50% |
| Azurá Stevens: Rebounds O/U 6.5 | 50% |
| Sabrina Ionescu: Rebounds O/U 3.5 | 50% |
| Natasha Cloud: Rebounds O/U 3.5 | 50% |
| Natasha Cloud: Assists O/U 6.5 | 50% |
| Breanna Stewart: Assists O/U 3.5 | 50% |
| Jonquel Jones: Assists O/U 2.5 | 50% |
| Kamilla Cardoso: Assists O/U 2.5 | 50% |
| Azurá Stevens: Assists O/U 2.5 | 50% |
| Kamilla Cardoso: Points O/U 14.5 | 50% |
| Breanna Stewart: Points O/U 21.5 | 50% |
| Kamilla Cardoso: Points O/U 15.5 | 50% |
| Kamilla Cardoso: Rebounds O/U 8.5 | 50% |
| Natasha Cloud: Assists O/U 5.5 | 50% |
| Sabrina Ionescu: Assists O/U 4.5 | 41% |
Market context
Traders on decentralised prediction markets give 66% probability to new york liberty vs. chicago sky. In the upcoming WNBA game, scheduled for August 18 at 9:00PM ET: If the New York Liberty win, the market will resolve to "New York Liberty". If the Chicago Sky win, the market will resolve to "Chicago…
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $259K.
Methodology
This page compares New York Liberty vs. Chicago Sky 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 Polymarket Alternative, 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.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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.
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