Pronóstico: Arizona Diamondbacks vs. St. Louis Cardinals

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Market context

The upcoming MLB clash between the Arizona Diamondbacks and St. Louis Cardinals, originally scheduled for 7:45pm ET on 25 June at Busch Stadium, has been postponed due to heavy rain in St. Louis, with the game now expected to resume later in the day. The crowd-implied 56% probability favouring Arizona reflects their dominant recent form in this series, having won the two preceding games against the Cardinals by scores of 9-4 and 4-3, despite entering the matchup with a slightly inferior overall record of 41-39 compared to St. Louis’s 42-36.

Historically, when a team wins two straight in a four-game series against a home opponent, the third game often sees a regression to the mean, yet Arizona’s offensive surge—10 home runs and a .407 slugging average over their last 10 outings—has consistently overridden such patterns, making the 56% line appear grounded in current momentum rather than mere statistical expectation. Traders should monitor the official start time announcement from MLB.com, as weather delays frequently compress pitching rotations and alter bullpen usage; additionally, the Diamondbacks’ recent activation of Max Kepler, who returns following an 80-game suspension for a performance-enhancing substance test, adds a left-handed power element that could shift the line if he enters the starting lineup, as reported by azcentral.com.

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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

Where can I trade this market with the lowest fees?

On PolyGram, 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.

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 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.