Pronóstico: San Francisco Giants vs. Arizona Diamondbacks

Platform comparison

Market context

The San Francisco Giants faced the Arizona Diamondbacks in a Major League Baseball game on Wednesday, July 1, 2026, at Chase Field in Phoenix, with first pitch set for 9:40 p.m. ET[2]. The contest has already concluded, with the Diamondbacks defeating the Giants 35–50 in the final score, though the crowd-implied probability on Polymarket remains locked at 100% YES for the Giants, suggesting a potential data discrepancy or unresolved settlement condition[1].

Historically, markets showing 100% probability before a game’s completion are rare in MLB, as even dominant teams face variance; comparable cases from the 2025 season saw similar overconfidence corrected once live stats updated, often due to conditional token mechanics on Polygon failing to reflect real-time outcomes until USDC payouts were triggered[4]. The Diamondbacks’ recent sweep of the Giants for the third consecutive series in 2026 underscores their dominance, making the 100% Giants probability highly anomalous against on-field performance[4].

Traders should monitor official MLB final statistics for confirmation, as the market resolves only upon verified completion, and watch for any postponement notices that could extend the settlement window beyond July 9, 2026[1]. Recent bullpen availability reports for the Giants on July 1 indicate no major injuries, but the Diamondbacks’ offensive surge—evident in their 8–2 victory on June 30—remains the primary catalyst for outcome divergence[7][4]. The market’s USDC settlement on Polygon hinges entirely on these verified stats, making real-time score tracking essential for accurate positioning.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Pronóstico: San Francisco Giants vs. Arizona Diamondbacks across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Argentina, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Argentina. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Argentina trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.