Chicago Sky vs. New York Liberty

Platform comparison

Market context

Chicago Sky and New York Liberty meet in a WNBA regular-season game on 22 July at 7:00 pm ET, with the market implying a 28% chance of Chicago winning. That sits well below a true coin flip and suggests the Liberty are priced as the clear side, with the crowd leaning against an upset rather than treating the fixture as tightly matched.

The main comparison point is not the headline probability alone, but how it lines up with basketball pricing and team strength. In a game where the market is already skewed towards the stronger side, a high-20s win chance for the underdog usually reflects a meaningful gap in form, depth, or home-court adjustment rather than a marginal edge. In prediction markets, that kind of number often tracks a sportsbook underdog line more closely than an analyst’s softer “live upset” view, because the event settles on the final score including overtime and leaves little room for narrative once the game is played.

For traders, the key catalysts are team news and scheduling rather than the settlement rules. Late injury updates, starting line-up confirmations, and any change to the tip-off or completion status matter most because postponement keeps the market open, while cancellation without a make-up would settle 50-50. Any pre-game absence for a primary scorer or lead guard would be more material here than broader season trends, since a single roster change can move a WNBA price sharply in a short market window.

Methodology

We track Chicago Sky vs. New York Liberty across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.

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.