Cincinnati Reds vs. Cleveland Guardians

Platform comparison

Active sub-markets

Market context

Polymarket is currently pricing Cincinnati Reds vs Cleveland Guardians at 0% YES, so the contract is effectively trading as if Cleveland’s side is already fully reflected in the market. The event itself has already been played, with Cincinnati beating Cleveland 7-6 on 15 May, so any open contract should now be a question of settlement mechanics rather than game uncertainty. On Polymarket, the payout will depend on the official final result recognised via the market’s resolution source, with funds moving through the usual USDC/Polygon conditional token structure.

Recent comparable form points away from the current price. Cincinnati just snapped a seven-game road losing streak and moved to 24-21, while Cleveland fell to 24-22 after blowing a 6-1 lead. Matt McLain was central, driving in three runs and hitting a two-run homer in the eighth, and the Guardians bullpen had a poor inning that flipped the game. That sort of late swing is exactly the type of result that matters for settlement when a market is already near zero: if the final official score stands, the contract resolves to the Reds.

For traders, the only live catalysts are settlement-related: official MLB score confirmation, any post-game correction, and whether the listed event is matched cleanly to the played game. ESPN and AP reporting both showed Cincinnati 7-6 Cleveland, and MLB score pages also reflect the completed result. If there were any rescheduling, postponement, or scoring change, that would matter more than team news; otherwise, the main dependency is simply the official final statistics being locked in against the market’s expiry window.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Cincinnati Reds vs. Cleveland Guardians across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

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.

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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.