Pittsburgh Pirates vs. Atlanta Braves

Platform comparison

Active sub-markets

Market context

The Pittsburgh Pirates travel to Atlanta for a regular-season matchup against the Braves on 7 June at 1:35PM ET, with Polymarket pricing the Pirates' victory at 1% (approximately +9900 odds in traditional betting terms). This implies roughly 99% implied probability for an Atlanta win, reflecting the substantial gap in recent performance between the two franchises. The settlement window extends to 14 June, allowing for weather postponements common in early summer baseball.

The Braves have established themselves as consistent National League contenders, whilst the Pirates have struggled to maintain competitive rosters in recent seasons. Historically, Atlanta holds a significant head-to-head advantage over Pittsburgh, with the Braves winning roughly 55% of matchups since 2015. The 1% pricing on a Pirates victory aligns with how prediction markets typically handle games between teams with disparate win-loss records and playoff trajectories. A Pirates upset would require either exceptional pitching performance or uncharacteristic offensive production against Atlanta's rotation.

Traders monitoring this contract should track injury reports for both teams' starting pitchers, as these announcements often shift probabilities meaningfully in baseball markets. Recent roster moves or bullpen availability could alter the calculus, particularly if either team has deployed relief arms heavily in preceding games. Weather conditions at Truist Park merit attention given the settlement window's extension clause for postponements. The Pirates' recent form against divisional opponents and any last-minute lineup changes warrant monitoring through the settlement deadline.

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 Kalshi 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?

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.

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 Kalshi UK?

Zero. Kalshi UK 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, Kalshi UK triggers a quick verification flow that finishes in minutes.