Indiana Fever vs. PortlandFire

Platform comparison

Market context

Polymarket is pricing the Indiana Fever to win at **75%** on this contract, which settles on the final score of the July 31 WNBA game at 10:00pm ET, including overtime, and pays out in USDC via conditional tokens on Polygon. That means the market is not trading the abstract team-versus-team narrative, but the specific on-chain outcome: Indiana Fever, PortlandFire, or a fallback 50-50 if the game were cancelled outright.

The current price sits close to mainstream pre-game estimates, with several sportsbooks and model-based previews still making Indiana a solid favourite. Recent market snapshots showed Fever moneyline prices around 75–79¢ on Polymarket and roughly 79–80% win probabilities in predictive models, while a current sportsbook board listed Indiana around -500 and Portland around +350 to +285, all of which broadly supports a Fever-favoured market near this level.[2][6][13][15] For a Polymarket user, that history matters because the contract has already spent time in the same band on comparable Fever–Fire meetings, suggesting the main question is less direction than whether the final result clears the market’s already-high implied bar.[16][17]

The main catalysts to watch are late team announcements, any last-minute lineup changes, and whether the scheduled tip actually starts on time, because postponement keeps the market open until the game is completed and cancellation is the only route to the 50-50 settlement.[16][20] In practice, traders will be watching official injury reports, beat coverage, and sportsbook movement into tip-off, since pre-game lines were still shifting around Indiana -8.5 to -7.5 and totals near 184.5-189.5 in recent previews.[1][3][6]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 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.