ICC T20 World Cup, Women: West Indies vs Ireland

Platform comparison

Active sub-markets

Market context

West Indies and Ireland are set to play their ICC Women’s T20 World Cup Group B match today in Bristol, with the crowd-implied probability of a West Indies win at 99% YES. This near-certainty mirrors past World Cup encounters where dominant sides faced minnows with little competitive balance, such as Australia’s 2014 and 2018 T20 campaigns against associate nations. In those cases, decimal odds on platforms like Betfair and Smarkets reflected extreme skew (often 1.01–1.02), while implied probability markets on Kalshi and Polymarket showed 98–99% confidence, diverging mainly in fee structures and KYC thresholds. Kalshi requires full identity verification and US residency, whereas Polymarket allows anonymous access with higher slippage on thin liquidity.

Traders should monitor the final squad announcements and pitch reports for Bristol County Ground, as over-rate penalties or DLS adjustments could alter settlement outcomes. Ireland’s recent qualification after beating India [6] suggests they are no longer a pure underdog, but their T20 record against top-tier teams remains weak. The ICC’s match preview [5] notes both teams are in the “business end” of the group stage, with West Indies needing a win to secure knockout contention. Watch for any DRS calls or weather delays, as these on-field rulings are treated as ordinary wins per market terms. Fee differences between platforms—Polymarket’s 1% taker fee versus Betfair’s variable commission—will affect net returns on such a high-probability outcome.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares ICC T20 World Cup, Women: West Indies vs Ireland specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

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 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.

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'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 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.