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Pronóstico: Chicago White Sox vs. Boston Red Sox

How the prediction market is pricing "Pronóstico: Chicago White Sox vs. Boston Red Sox" right now — Polymarket mid plus comparison with Betfair and Manifold.

1st 5 Innings O/U 2.5 74% 1st 5 Innings O/U 3.5 60% O/U 7.5 56% O/U 8.5 49% Volume: $93K Liquidity: $1.0M Closes: 12 Aug 2026
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Pronóstico: Chicago White Sox vs. Boston Red Sox

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Mundial 2026 Grupos) Pick
polygram.ink (preferred broker)
74% 26% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
74% 26% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Outcome probabilities

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

OutcomeProbability
1st 5 Innings O/U 2.574%
1st 5 Innings O/U 3.560%
O/U 7.556%
O/U 8.549%
1st 5 Innings O/U 4.547%
Chicago White Sox vs. Boston Red Sox46%
NRFI46%
O/U 9.538%
Spread -1.537%
1st 5 Innings O/U 5.535%
Spread -1.534%
1st 5 Innings Spread -1.531%
1st 5 Innings Spread -1.528%
Spread -2.528%
1st 5 Innings O/U 6.525%
Spread -2.524%
Extra Innings9%

Market context

The Chicago White Sox visit the Boston Red Sox with the market close to a coin flip, but recent results lean slightly towards Boston’s side of the ledger. Boston has taken several of the latest meetings between the teams, including a 5-0 win and an 8-1 win in the July series, and the Red Sox have also been on a strong run in the broader sample, winning eight of their last 10 and 10 of 12 at one point in early July.[4][8][13][14]

That said, the White Sox’s own record gives the 46% crowd-implied price some support: they are 47-42 overall in ESPN’s listing, with a better season run differential profile than Boston on the offensive side, while Boston has paired weaker overall record with steadier pitching numbers.[1] The comparable case to watch is how short series momentum has outweighed season-long balance in this matchup before; Boston’s recent sweeps of Chicago were driven by run prevention and timely power, not by a huge gap in the underlying season records.[2][6][8]

The main trading catalysts are the confirmed line-ups, the starting pitchers, and any late scratches or bullpen usage after the series opener, because Boston’s edge has recently come from strong pitching plus enough offence to exploit Chicago’s lower recent output.[5][18] CBS Sports’ preview listed Sonny Gray against Sean Burke for the opener after Boston’s 14-2 series-opening win, which would materially shape pricing if that match-up holds, while Chicago’s recent form has been more uneven despite pockets of stronger play against better teams.[5][7][14]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 74% for "Pronóstico: Chicago White Sox vs. Boston Red Sox".

1st 5 Innings O/U 2.5 74% Other 26%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $93K.

Methodology

Football-specific comparison page for Pronóstico: Chicago White Sox vs. Boston Red 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

When do sports markets resolve?
Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
Can I bet on individual matches?
Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
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.
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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Related Topics

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