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Pronóstico: St. Louis Cardinals vs. Toronto Blue Jays

How the prediction market is pricing "Pronóstico: St. Louis Cardinals vs. Toronto Blue Jays" right now — Polymarket mid plus comparison with Betfair and Manifold.

1st 5 Innings O/U 2.5 80% 1st 5 Innings O/U 3.5 69% 1st 5 Innings O/U 4.5 54% NRFI 53% Volume: $289K Liquidity: $1.9M Closes: 9 Aug 2026
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Pronóstico: St. Louis Cardinals vs. Toronto Blue Jays

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Mundial 2026 Grupos) Pick
polygram.ink (preferred broker)
80% 20% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
80% 20% 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 2.580%
1st 5 Innings O/U 3.569%
1st 5 Innings O/U 4.554%
NRFI53%
O/U 8.553%
St. Louis Cardinals vs. Toronto Blue Jays45%
O/U 9.543%
1st 5 Innings O/U 5.543%
Spread -1.537%
O/U 10.536%
Spread -1.534%
1st 5 Innings O/U 6.532%
1st 5 Innings Spread -1.531%
1st 5 Innings Spread -1.529%
Spread -2.527%
Spread -2.527%
Extra Innings7%

Market context

St. Louis Cardinals at Toronto Blue Jays is a series-deciding matchup with Toronto already holding the edge in the recent games: the Blue Jays won 3-1 on 31 July and 5-1 on Saturday, while St. Louis has lost four straight and eight of its last 10. Toronto has also taken the last eight meetings in the matchup, which matters when interpreting a 45% crowd-implied yes price for the Cardinals: that number sits below a true coin-flip and is consistent with a team facing both poorer current form and an awkward head-to-head run.[2][15]

The longer lens is not kind to St. Louis either. ESPN’s standings snapshot shows the Cardinals at 78-84 and on a four-game losing streak, while Toronto is 94-68 and riding four straight wins.[1] CBS also noted that the Cardinals have scored three runs or fewer in seven straight games, whereas Toronto had won six of nine before the series and then backed it up with another tight, lower-scoring home result.[2] In comparable spots, recent one-sided series between these clubs have tended to compound quickly rather than reset, so the market’s sub-50% lean towards St. Louis reflects both form and matchup momentum.[4][9]

For traders, the main catalysts are lineup and pitching confirmations before first pitch, plus any late injury or rest news in a day game after a night game. Toronto’s recent box-score form shows Kevin Gausman returning to efficient work in the Saturday win, while the Cardinals’ offence has been struggling to generate damage even when the games stay close.[2][3] CBS also flagged that Toronto is in the middle of a long run of 17 consecutive scheduled games before its next off-day, which can affect bullpen usage and manager decisions across the series.[3]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 80% for "Pronóstico: St. Louis Cardinals vs. Toronto Blue Jays".

1st 5 Innings O/U 2.5 80% Other 20%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $289K.

Methodology

Football-specific comparison page for Pronóstico: St. Louis Cardinals vs. Toronto Blue Jays. 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

Are prediction markets better than sports betting?
Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
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.
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