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.

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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.

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.

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.