Atlanta Braves vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

Polymarket is pricing Atlanta at about 33% YES on USDC-settled conditional tokens on Polygon ahead of tonight’s game in Miami, which leaves Miami as a clear in-market favourite. That level implies traders expect the Braves to win only about once in three runs from here, despite Atlanta entering with the stronger overall record and the more stable run differential.

Recent results give the market a useful frame. Atlanta have already taken the first three games of this four-game set, winning 8-4 on Tuesday and 9-1 on Wednesday after a 12-0 shutout on Monday, so the live question is whether the same matchup edge still carries into the finale. The Braves have also been in control of the division race, while Miami’s better short-term case rests on avoiding a sweep rather than on season-long form. In comparable divisional spots, Polymarket prices often stay muted if a road favourite is rotating in a series finale, even when recent head-to-head results lean heavily one way.

The main trader catalysts are the confirmed line-ups, starting pitchers and any late bullpen availability notes, because those can move a 33% contract sharply before first pitch. ESPN’s final report from Wednesday showed Chris Sale going seven innings with eight strikeouts, which matters because it affects Atlanta’s pitching usage going into the next game; if the Braves are lighter in the pen, that can support a Miami bid. The settlement mechanics are straightforward: the winning side resolves to 1 on the official result, the other to 0, with the contract remaining open if the game is postponed and only going 50-50 if there is no make-up or the event ends in a tie.

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.

Is this market available outside the US?

PolyGram 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.

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 it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.