Boston Legacy FC vs. Washington Spirit

Platform comparison

Market context

The NWSL fixture between Boston Legacy FC and Washington Spirit, scheduled for Sunday 19 July 2026, has already concluded with Washington securing a 2–1 victory. The crowd-implied probability of 0% YES reflects this settled outcome, where the event’s result is no longer uncertain but confirmed by the final scoreline reported by ESPN[1]. For a power-user evaluating prediction market tooling, this represents a post-settlement case rather than a live trading opportunity, useful primarily for testing copy-trading bots or conditional order logic against known outcomes.

Historically, markets with 0% probability after a match’s conclusion align with comparable NWSL settlements where odds collapsed immediately upon final whistle confirmation, as seen in prior seasons where result-dependent contracts resolved within minutes of official score validation. This pattern underscores the reliability of automated settlement feeds in apps like Kalshifees, where historical data shows near-instantaneous alignment between live scores and market resolution, minimising latency for algorithmic traders[2].

Traders monitoring similar pre-result markets should watch for official NWSL schedule announcements, lineup confirmations, and real-time score feeds as primary catalysts. Recent coverage from 365scores highlights how pre-match odds shift dynamically based on starting XI releases and injury updates, dependencies that programmatically trigger conditional orders in copy-trading systems[3]. For this specific market, the absence of live probability is a direct function of the completed match, making it a benchmark for testing settlement accuracy rather than a venue for active speculation.

Sources: 1 · 2 · 3 · 4

Methodology

We track Boston Legacy FC vs. Washington Spirit across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.