Washington Nationals vs. San Francisco Giants

Platform comparison

Active sub-markets

Market context

The Washington Nationals travel to San Francisco on 10 June for a 3:45 PM ET matchup against the Giants. The current Polymarket pricing reflects near-zero conviction in a Nationals victory, with the conditional token pair trading at extremes that suggest either strong Giants favouritism or minimal liquidity depth at fair value. Settlement occurs 17 June at 19:45 UTC, allowing for postponement resolution under the stated terms.

Historical context matters here: the Nationals have struggled considerably in recent seasons, whilst the Giants remain a franchise with playoff infrastructure and recent competitive cycles. Head-to-head records between these clubs over the past three seasons show the Giants holding a modest but consistent edge. June matchups in baseball carry particular weight because teams have played enough games to reveal true form, yet the season remains young enough that early-season roster decisions still influence win probability. The 0% implied probability on Nationals victory suggests either the market has priced in specific roster absences or injury information, or liquidity is too thin to establish a meaningful line.

Traders should monitor roster announcements through 9 June, particularly regarding starting pitcher assignments and any late-season call-ups. Weather conditions at Oracle Park—notably wind patterns affecting fly balls—can shift expected run totals meaningfully. Recent form matters: check the Nationals' record in their preceding five games and the Giants' home performance metrics. Any news regarding key position players or bullpen availability in either camp could trigger repricing on-chain before the settlement window closes.

Methodology

We track Washington Nationals vs. San Francisco Giants on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket 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 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 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.