Colorado Rockies vs. Arizona Diamondbacks

Platform comparison

Active sub-markets

Market context

The Colorado Rockies face the Arizona Diamondbacks on 24 May at 4:10 PM ET in a regular-season MLB fixture. The current 1% implied probability for a Rockies victory reflects substantial market confidence in Arizona, though this represents a single-game outcome rather than a series projection. Settlement occurs after official final statistics are recorded, with provisions for postponement extending the window through 31 May and tie-or-cancellation scenarios triggering 50-50 resolution.

Historical matchup data shows the Diamondbacks have maintained competitive advantage in recent seasons, but single-game probabilities in baseball rarely compress below 25% for either team absent extreme circumstances—injuries to starting pitchers, weather forecasts, or roster absences. The 1% reading suggests either significant late-breaking information (starter unavailability, weather alerts) or illiquidity in the order book. Traders evaluating this programmatically should cross-reference FiveThirtyEight's Elo ratings, recent team ERA differentials, and ballpark-adjusted metrics; a 1% probability typically implies Rockies win probability below 15% in standard baseball models, indicating potential mispricing if underlying fundamentals don't support such extremity.

Monitor pitching announcements through 23 May, as starter confirmation or injury reports materially shift game-level expectations. Weather conditions at the venue and any roster moves announced by either club warrant tracking via official MLB communications. For conditional order strategies, establish entry thresholds tied to probability movements above 3-5%, which would signal meaningful information flow rather than noise. Settlement dependencies remain straightforward—only game completion or explicit cancellation trigger resolution, with no weather-related partial-game complications under current MLB rules.

Methodology

We track Colorado Rockies vs. Arizona Diamondbacks on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

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.

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 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.

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.

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.