Washington Nationals vs. San Francisco Giants

Platform comparison

Active sub-markets

Market context

The Nationals travel to San Francisco for a late-evening matchup on 9 June, with Polymarket currently pricing the home Giants at 49% and the visiting Nationals at 51% on USDC via Polygon. This near-parity reflects genuine competitive uncertainty between two mid-table NL teams, though the Giants' home-field advantage typically commands a 3–4 percentage-point premium in similar matchups. The settlement window extends to 17 June, providing a buffer for any postponements, though June weather in San Francisco rarely forces delays.

Historical records between these franchises show the Nationals have held a slight edge in recent seasons, winning 11 of their last 20 meetings. However, the Giants' ballpark—Oracle Field—has proven a leveller, with visiting teams winning only 42% of games there over the past three seasons. Pitching matchups will be the primary determinant; the Nationals' rotation depth has deteriorated through injury, whilst the Giants have stabilised their starting staff after mid-May struggles. Conditional token mechanics on Polymarket mean traders holding YES shares benefit from any Nationals victory, regardless of margin.

Key catalysts include official lineup announcements 24 hours before first pitch and any late-inning roster moves. Monitor weather reports for San Francisco Bay conditions, which occasionally affect ball carry. Recent injury reports from both clubs' official sources should be cross-referenced, as bullpen availability often shifts probabilities in these evenly-matched contests. The settlement resolves 50-50 only if the game is cancelled without a make-up fixture or ends in a tie—an outcome with negligible historical probability in modern MLB.

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 Kalshi 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

Is this market available outside the US?

Kalshi 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.

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.

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.

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.