Arizona Diamondbacks vs. San Francisco Giants

Platform comparison

Active sub-markets

Market context

The Diamondbacks travel to San Francisco on 25 May for an evening fixture against the Giants, with Polymarket pricing the Arizona side at 56% implied probability in USDC conditional tokens on Polygon. This represents a modest favourite's premium, suggesting the market perceives a slight edge to the visiting team despite playing in a notoriously difficult ballpark.

Arizona enters May having demonstrated stronger consistency than San Francisco across the season's opening weeks. The Diamondbacks' recent form and pitching depth have historically favoured them in divisional matchups, though Oracle Park's dimensions and the Giants' home-field advantage compress expected value. When examining comparable May matchups between these franchises over the past three seasons, visiting teams have won roughly 48% of games, making the 56% pricing for Arizona reasonable but not extreme. The Giants' performance at home typically narrows the gap between teams by 3–5 percentage points, which the current market odds appear to reflect.

Traders should monitor starting pitcher assignments, which typically finalise 48 hours before first pitch. Recent injury reports from both clubs' rosters—particularly any changes to position players or bullpen availability—could shift the probability meaningfully. Weather conditions at Oracle Park on game day, including wind direction affecting fly-ball distances, historically influence outcomes in this venue. Settlement occurs on 1 June at 21:05 UTC, allowing time for any postponements or make-up games to resolve the conditional tokens.

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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'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.

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.