Arizona Diamondbacks vs. Cincinnati Reds

Platform comparison

Active sub-markets

Market context

The Arizona Diamondbacks face the Cincinnati Reds on 13 June at 4:10PM ET in a regular-season MLB matchup. The settlement window extends to 20 June, accommodating potential postponements. The 0% implied probability on this contract suggests either extreme confidence in one outcome or minimal trading activity establishing a baseline price.

Historical comparison reveals that prediction markets on regular-season baseball games typically reflect sportsbook consensus within 2–4 percentage points when sufficient liquidity exists. A 0% reading often indicates the market has yet to accumulate meaningful volume rather than genuine certainty about the outcome. Traditional sportsbooks typically price such matchups within a narrow range—often favouring the home team by 1–1.5 runs—whilst analyst consensus from publications like ESPN and The Athletic tends to align closely with opening lines. Any substantial divergence between this contract's eventual price and sportsbook odds would warrant scrutiny of whether the prediction market is capturing information unavailable to traditional oddsmakers.

Key variables affecting the outcome include starting pitcher assignments, recent team performance trajectories, and injury status for key players. The Diamondbacks' 2024 season positioning and the Reds' roster depth will influence pre-game assessments. Weather conditions at the venue on 13 June—particularly wind direction and temperature—can materially affect scoring in baseball. Traders should monitor official roster announcements and any weather alerts in the 48 hours preceding the fixture, as late-breaking information often drives repricing in prediction markets before sportsbooks adjust their lines.

Methodology

This page reviews Arizona Diamondbacks vs. Cincinnati Reds across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Best Prediction Markets — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 Best Prediction Markets, 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?

Best Prediction Markets 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.

What does it cost to trade on Best Prediction Markets?

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