Phoenix Mercury vs. Indiana Fever

Platform comparison

Active sub-markets

Market context

On Wednesday, 24 June 2026, the Phoenix Mercury and Indiana Fever faced off at Gainbridge Fieldhouse in Indianapolis for a 7:30 p.m. ET WNBA matchup, with the game’s outcome determining the resolution of a prediction market where the crowd currently assigns a 100% probability to a Mercury victory. This event, now settled, saw the Mercury (5–13) play against the Fever (10–7), a contest tracked live by ESPN and CBS Sports, with Caitlin Clark leading the Fever’s charge[1][3].

Historically, markets showing 100% implied probability in sports often reflect either a settled result or a near-certainty driven by team form; in this case, the Mercury’s win aligns with their recent performance against the Fever, who previously dug out from a large deficit in a similar matchup[6]. Platforms like Polymarket, Kalshi, Betfair, and Smarkets diverge here: Polymarket uses decimal odds and minimal KYC, while Kalshi requires full identity verification and trades in implied probability; Betfair and Smarkets apply higher fees but offer deeper liquidity, with decimal pricing standard across both[1][2].

Traders should monitor official WNBA announcements regarding game postponements or cancellations, as these would keep the market open or resolve it 50–50, though the game has already concluded. Recent coverage from USA Today confirms the venue, time, and broadcast details, noting Prime Day deals were active during the event window[2]. With the settlement window ending 24 June 2026 at 23:30 UTC, the market is now closed, and no further catalysts apply.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read Phoenix Mercury vs. Indiana Fever from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi Alternative 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.

What does it cost to trade on Kalshi Alternative UK?

Zero. Kalshi Alternative 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 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, Kalshi Alternative UK 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.