Pronóstico: PortlandFire vs. Chicago Sky

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Market context

The Portland Fire and Chicago Sky met on 26 June 2026 at Wintrust Arena, where the Sky secured a commanding 124–94 victory. Kamilla Cardoso delivered a career-high 30 points, shooting a perfect 13 for 13 from the field to set a new WNBA record, while the Fire struggled to contain Chicago’s offensive surge. This result confirms the market’s current 0% YES probability for a Portland win, as the game has already concluded with a decisive Sky triumph.

Historically, when a team achieves such a dominant performance—especially with a perfect shooting record from a star player—the likelihood of a reversal in a single-game market becomes negligible. Comparable cases, such as the Sky’s 98–83 win over Portland on 9 May 2026 [3], show consistent dominance by Chicago against the Fire, reinforcing that Portland’s chances were minimal even before the final score. In conditional token markets on Polygon, where USDC settles outcomes, such one-sided results resolve instantly with no ambiguity, locking the resolution to “Chicago Sky”.

Traders should monitor official WNBA announcements for any rare postponement or cancellation clauses, though none apply here given the game’s completion. The only dependency is the final score including overtime, which is already confirmed. Recent coverage from ESPN highlights Cardoso’s record-breaking performance as the defining catalyst [1], leaving no room for doubt. With the settlement window closed on 26 June at 23:30 UTC, the market resolves definitively to Chicago Sky, and no further action is required.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Pronóstico: PortlandFire vs. Chicago Sky on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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.