PortlandFire vs. Chicago Sky

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Active sub-markets

Market context

The real-world event is a WNBA match-up on 26 June at 7:30PM ET between the Portland Fire and Chicago Sky, where the market resolves to the winner’s name. Portland lost the most recent encounter decisively, 101–78 on 24 June, after which Chicago snapped a six-game losing streak with seven players scoring in double figures[1]. Historically, when a team wins by 23 points in a mid-June fixture and then faces the same opponent 48 hours later on a four-game road skid, the underdog’s win probability collapses to near zero[2]. This mirrors the 98–83 Chicago victory in Portland’s regular-season return on 9 May, where Kamilla Cardoso dominated with 22 points and 14 rebounds, reinforcing a pattern of Chicago’s physical superiority in this pairing[3][5].

Traders should monitor pre-game injury reports for both squads, particularly Portland’s backcourt fatigue after their current four-game road slump, and Chicago’s rotation depth following their balanced scoring display[2]. Key catalysts include any late announcements on player availability, especially if Skylar Diggins (15 points, 6 assists in the last game) is rested or Sydney Taylor (14 points, three 3PM) is sidelined[1][4]. The betting line already reflects Chicago’s +5.5 advantage, suggesting market confidence in their home form despite their 5–12 overall record[2]. With the settlement window ending 26 June 23:30 UTC, any postponement would keep the market open, but cancellation without a make-up game would resolve 50–50—a scenario currently deemed implausible given the teams’ confirmed schedules[1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track 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

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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.