Atlanta Braves vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

Atlanta and Miami meet in a one-off MLB game, and the market is currently pricing Atlanta at about a 33% chance. That sits against a recent result that matters for context: the Braves won 9-1 on 20 May behind Chris Sale, with Austin Riley and Dominic Smith both homering, which will tend to anchor short-term sentiment. For comparison, pre-game pricing in baseball can swing quickly on the confirmed pitcher match-up and line-up news, so a low outright number is not unusual when one side has just posted a lopsided win.

For traders, the key catalysts are the official starting pitchers, any late scratches from the line-up card, and weather or postponement risk, because this market stays open if the game is delayed and only resolves on the completed result. The listed settlement deadline runs to 28 May 2026, which gives room for a make-up game if one is needed. In practical access terms, a no-KYC threshold up to $1,500 means smaller positions may be placed without identity checks, but higher activity can trigger verification depending on the platform’s rules.

Regulatory framing also matters for accessibility. In Germany, GlüStV restrictions can limit or prohibit access to certain prediction market activity depending on how the venue is structured and where the user is located, while US CFTC reach is relevant because event-based contracts may fall within commodities-derivatives scrutiny where offered to US persons. For a market like this, the practical question is often less about the baseball itself than whether the venue can lawfully service the user, what verification is required, and whether the contract design matches local rules on sports-linked event trading.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.

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.