PortlandFire vs. Washington Mystics

Platform comparison

Market context

The underlying real-world event is the WNBA match between the Portland Fire and the Washington Mystics, which concluded on 28 June 2026 with the Mystics securing a narrow 124–123 victory after quadruple overtime[1][3]. Carla Leite led the Mystics with 32 points and nine assists, propelling them past the Fire in a game that demanded four extra periods to determine a winner[3]. Since the game has already been played and the Mystics won, the prediction market for "PortlandFire" now holds a crowd-implied probability of 0%, reflecting the settled outcome rather than any future uncertainty.

Historically, markets tied to completed games with definitive scores resolve immediately once the final result is confirmed, rendering any pre-game probability estimates obsolete[1]. Comparable cases in sports prediction show that when a match ends with a clear winner, conditional markets for the losing team collapse to zero probability, as the settlement condition is no longer contingent on future events[1][3]. This pattern frames the current 0% probability as a factual reflection of the Mystics' win, not a speculative assessment of team strength.

Traders monitoring such markets should watch for official WNBA announcements confirming game completion and final score validation, as these are the primary dependencies for market settlement[2]. Recent coverage from ESPN confirms the final score and overtime details, serving as the authoritative source for resolution[1]. Programmatically, bots or conditional order systems would trigger immediate settlement logic upon ingesting this verified data, bypassing any further price discovery since the outcome is already fixed. No further catalysts exist, as the event has concluded and the result is irrevocable.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track PortlandFire vs. Washington Mystics 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

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 Polymarket Review UK. 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.