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Washington Nationals vs. Baltimore Orioles

Polymarket vs Kalshi vs Betfair vs Smarkets for "Washington Nationals vs. Baltimore Orioles" — live odds, fees and KYC side-by-side.

Washington Nationals 6% Baltimore Orioles 95% Volume: $333K Liquidity: $292K Closes: 3 Jul 2026
Trade on Kalshi Alternative UK →
Washington Nationals vs. Baltimore Orioles

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Kalshi Alternative UK Pick
polygram.ink
 6% 94% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Kalshi Alternative UK →
Polymarket
polymarket.com
 6% 94% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Kalshi Alternative UK →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on Kalshi Alternative UK →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on Kalshi Alternative UK →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on Kalshi Alternative UK →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi Alternative UK.

Active sub-markets

Washington Nationals vs. Baltimore Orioles6% Washington Nationals95% Baltimore Orioles
NRFI0% YES100% NO
Spread -1.581% Baltimore Orioles19% Washington Nationals
O/U 9.54% Over96% Under
1st 5 Innings Spread -1.50% Baltimore Orioles100% Washington Nationals
1st 5 Innings Spread -1.50% Washington Nationals100% Baltimore Orioles

Market context

Washington Nationals vs. Baltimore Orioles — current market-implied probability: 6%. In the upcoming MLB game between the Washington Nationals and Baltimore Orioles, scheduled for June 26 at 7:05PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals win…

Live Data & Statistics

The Polymarket order book prices Washington Nationals at 6% for "Washington Nationals vs. Baltimore Orioles".

Washington Nationals 6% Other 94%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $333K.

Methodology

This page compares Washington Nationals vs. Baltimore Orioles 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 Kalshi Alternative UK, 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

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.
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.
Emma RobertsEmma RobertsFinancial JournalistandSarah MitchellSarah MitchellPolitical Markets Writer

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