Indiana Fever vs. Chicago Sky

Platform comparison

Market context

The Indiana Fever are scheduled to play the Chicago Sky on 8 August at 3:30pm ET, and the market settles on the team that wins the final score after any overtime. Current pricing around a 67% chance for Indiana lines up with conventional sportsbook views, where the Fever are a clear moneyline favourite and a modest spread favourite, which is the right baseline for a programmatic trader comparing exchange probability against external reference lines.[2][1][13]

For comparable cases, the key read-through is that this is a favourite-versus-underdog WNBA fixture rather than a coin-flip profile. Recent markets on the same matchup have repeatedly priced Indiana ahead, with model-based estimates and sportsbook lines often putting the Fever in the 56-69% win range depending on date, margin, and injury context; that makes 67% broadly consistent with the recent consensus rather than an obvious outlier.[11][3][4] In a bot workflow, that usually means treating the current quote as a directional favourite signal, then checking whether the implied edge still survives after fees, slippage, and your own fill assumptions.

The live catalysts are straightforward: starting-lineup news, late scratches, and any schedule or venue changes, since postponement keeps the market open until the game is completed, while a cancellation with no make-up would force a 50-50 resolution under the rules. The closest recent source-backed numbers show Indiana at roughly -225 to -230 on the moneyline with the total around 191.5-193.5, so a trader running conditional orders would normally watch for line drift after official injury reports and pre-tip announcements rather than rely only on the headline probability.[1][13][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Indiana Fever vs. Chicago Sky 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.