Colorado Rockies vs. Arizona Diamondbacks

Platform comparison

Active sub-markets

Market context

The Colorado Rockies face the Arizona Diamondbacks in a May 22 night game, and the market currently gives Colorado about a 34% chance. That sits below a true coin-flip price and is broadly consistent with Arizona being the stronger side on recent form and pricing. In comparable divisional match-ups, the away underdog often only drifts materially if the home side’s pitching stack is weakened late or if the market is slow to price bullpen usage from the prior two games.

Recent previews have leaned Arizona: Lines.com noted the Diamondbacks as roughly a 71% moneyline favourite, while OddsIndex put the implied win probability at 63.3% and pointed to a bullpen edge, with Arizona’s relief ERA at 3.49 against Colorado’s 4.72. Those numbers matter in a short series because the closing innings are where price gaps can widen, especially if both pens have already been asked for multiple innings across the set. Any late lineup news, scratch, or unexpected rest decision could move the probability more than the pre-match number suggests.

For market depth, funding friction is part of the story: tighter on-ramps such as Klarna, SEPA and USDC tend to bring in more occasional buyers, which can thicken the book around popular favourites and compress the spread between bid and ask. If deposit rails are delayed or withdrawal options are awkward, participation often stays thinner and prices can remain more jumpy around team news and starting pitcher confirmations. The key watchpoint is whether fresh money arrives before first pitch, or only after lineups and bullpen availability are known.

Sources: 1 · 2 · 3 · 4 · 5

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 PolyGram, 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

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.