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Cincinnati Reds vs. Chicago White Sox

How the prediction market is pricing "Cincinnati Reds vs. Chicago White Sox" right now — Polymarket mid plus comparison with Betfair and Manifold.

NRFI 100% 1st 5 Innings O/U 2.5 84% 1st 5 Innings O/U 3.5 79% 1st 5 Innings O/U 4.5 69% Volume: $285K Liquidity: $871K Closes: 18 Aug 2026
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Cincinnati Reds vs. Chicago White Sox

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via World Cup 2026 Favorites) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
NRFI100%
1st 5 Innings O/U 2.584%
1st 5 Innings O/U 3.579%
1st 5 Innings O/U 4.569%
O/U 6.566%
Spread -1.562%
1st 5 Innings O/U 5.559%
1st 5 Innings O/U 6.557%
O/U 7.552%
1st 5 Innings Spread -1.550%
1st 5 Innings Spread -1.550%
Extra Innings50%
Spread -2.546%
O/U 8.543%
O/U 9.532%
Cincinnati Reds vs. Chicago White Sox20%
Spread -1.513%
Spread -2.58%

Market context

The Cincinnati Reds’ visit to the Chicago White Sox is an interleague matchup between a road team sitting below .500 and a home side that has played markedly better at home. Chicago entered with a 61–56 record and a 36–22 mark at home, while Cincinnati was 56–61 and 27–30 away, which helps explain why the crowd price of 24% for a Reds win sits well below an even split[1][7][15]. The basic team profiles also point in Chicago’s favour: the White Sox have posted the stronger batting line, the better run prevention, and the better recent form, with a 5–5 last 10 compared with Cincinnati’s 6–4 but from a lower base and with a more vulnerable pitching staff[1][7].

For comparable reading, this is the sort of spot where home record and run prevention matter more than overall standing. ESPN lists Chicago’s team ERA at 4.11 and WHIP at 1.31, versus Cincinnati’s 4.48 ERA and 1.41 WHIP, while the White Sox have also out-hit the Reds across the season (.237 batting average to .229) and outscored them by a wider margin[1]. That makes a low-20s Reds probability look consistent with a market that is leaning on venue and pitching edge rather than just win–loss records[1][9].

The main catalysts are the confirmed line-ups, late pitching changes, and any injury-related scratches. FOX Sports notes White Sox injuries including Chase Meidroth day-to-day with a wrist issue and several pitchers on the injured list, while Cincinnati’s recent stretch included back-to-back road losses before the game, which can influence bullpen usage and availability[7]. The game page also shows Chicago coming in after a home win and Cincinnati after a road defeat, so traders will want to watch whether either club rests regulars or adjusts the rotation before first pitch[1][7].

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices NRFI at 100% for "Cincinnati Reds vs. Chicago White Sox".

NRFI 100% Other 0%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $285K.

Methodology

Football-specific comparison page for Cincinnati Reds vs. Chicago White Sox. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

What are live sports odds on Polymarket?
Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
Which sports markets are available?
Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
How fast do sports winnings settle?
Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
What's the difference between match odds and outright odds?
Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Can I import form data and lineups?
This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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