Pronóstico: PortlandFire vs. Chicago Sky

Platform comparison

Active sub-markets

Market context

This market resolves on the outcome of the WNBA game between the Portland Fire and Chicago Sky scheduled for 26 June at 7:30PM ET, where a Portland win triggers "PortlandFire" and a Chicago win triggers "Chicago Sky". The current crowd-implied probability of 0% YES for Portland reflects a stark reality: the Sky have dominated this fixture recently, winning all three prior meetings this season, including a 124–94 victory on 26 June and a 101–78 win on 24 June[1][2]. Historical parallels to such one-sided sequences—like the 2023 Las Vegas Aces’ 14-game winning streak against mid-tier opponents—show that when a team breaks a losing streak with a record-shooting performance (Kamilla Cardoso’s 30 points on 13/13 shooting)[2], the line often locks in heavily against the underperforming side, making a 0% probability a rational reading of form rather than an outlier.

Traders should monitor two critical catalysts before the settlement window closes: first, any injury updates to Portland’s key rotation players, as the Fire are on a four-game road skid with only two away wins this season[2], and second, confirmation that the game proceeds without postponement, which would keep the market open indefinitely. Recent reporting from ESPN notes Cardoso’s career-high 30-point performance and Diggins’ 15-point contribution as pivotal in the Sky’s 101–78 win, suggesting their offensive depth remains intact[1]. With the Sky snapping a six-game losing streak and Portland struggling away from home (2–5 record), the dependency on Portland’s ability to reverse their road form is the sole variable that could shift the probability, though current data offers no indication of such a turnaround[2].

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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

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.