Indiana Fever vs. PortlandFire

Platform comparison

Active sub-markets

Market context

The Indiana Fever will face the Portland Fire on 30 May 2026 at 8:00 PM Eastern Time in a regular-season WNBA matchup. Settlement occurs at midnight UTC on 31 May, allowing a one-day window for final score confirmation and any same-day postponement resolution. The current crowd-implied probability of 0% for an Indiana victory reflects either strong Portland favouritism or minimal trading volume at present; WNBA regular-season games typically see tighter probability distributions once fixtures approach, particularly when rosters are finalised and injury reports published in the 48 hours prior.

Historical precedent from comparable WNBA markets shows that probabilities shift materially following roster announcements and official injury designations. The 2024 and 2025 seasons demonstrated that games involving teams with significant absences (All-Star players unavailable) can swing 15–20 percentage points within 36 hours of confirmation. Traders should monitor both teams' official injury reports, which the WNBA publishes typically 24 hours before tip-off, and any late-season playoff implications that might affect rotation decisions or rest protocols.

From a regulatory standpoint, this market's accessibility varies by jurisdiction. Under German GlüStV (Glücksspielstaatsvertrag), sports prediction markets require specific licensing; UK-based traders face no KYC requirement up to £1,500 notional exposure per market, though aggregate exposure across multiple markets may trigger verification. US CFTC reach extends to US-domiciled traders regardless of platform location, classifying event derivatives as derivatives subject to position reporting thresholds. Traders should verify their own regulatory status before entry, as settlement currency and domicile determine applicable compliance obligations.

Methodology

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

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Tax UK, 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?

Polymarket Tax UK 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'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 it cost to trade on Polymarket Tax UK?

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

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.