Arizona Diamondbacks vs. Cincinnati Reds

Platform comparison

Active sub-markets

Market context

The Arizona Diamondbacks travel to Cincinnati on 13 June for an afternoon fixture against the Reds, with first pitch at 4:10 PM ET. Polymarket currently prices the Diamondbacks' victory at 1% on USDC via Polygon, reflecting substantial market conviction towards a Cincinnati win. The conditional token structure settles based on official MLB final statistics, with the settlement window extending to 20 June at 20:10 UTC to accommodate any postponements.

Arizona's 1% implied probability sits well below typical preseason expectations for a road matchup against a middling National League Central opponent. Historical context matters here: teams priced this low on Polymarket tend to carry genuine structural disadvantages—either they're facing elite pitching, operating without key personnel, or entering a stretch where their recent form has deteriorated sharply. The Reds, despite inconsistent seasons in recent years, maintain home-field advantage and the market's overwhelming confidence suggests either strong starting pitching matchups favouring Cincinnati or the Diamondbacks' roster depth compromised by injury or suspension.

Traders should monitor lineup confirmations and pitching assignments through 12 June, as last-minute roster moves or bullpen availability frequently shift these extreme probabilities. Weather conditions at Great American Ball Park—particularly wind direction affecting fly balls—warrant attention given the afternoon start time. Any announcement regarding injured players on either roster, particularly position players or starting pitchers, could materially shift the 1% pricing, though the current market positioning suggests such information is already priced in or the Diamondbacks' disadvantage runs deeper than single-game variables.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket UK, which mirrors the Polymarket order book directly.

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 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.