St. Louis Cardinals vs. Pittsburgh Pirates

$356.7K Vol
Oct 1, 2026
Active
Probability Trend
Pittsburgh Pirates 61.5%
St. Louis Cardinals 38.5%

Core Summary

According to the latest prediction market data for the query “St. Louis Cardinals vs. Pittsburgh Pirates”, traders have formed a strong consensus.

Currently, 1st 5 Innings O/U 2.5 is dominating the market with an overwhelming 8,200% chance of winning. 1st 5 Innings O/U 3.5 follows in second place at 7,000%, while 1st 5 Innings O/U 4.5 sits in third with 6,100%. The betting volume for this specific market has already reached $356.7K, reflecting intense industry interest.

Breakdown of Competitive Tiers

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

  • 1st 5 Innings O/U 2.5 (8,200%): Currently commanding the highest probability, 1st 5 Innings O/U 2.5 is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 8,200¢, signaling a high degree of market conviction. This contract alone has generated $34 in volume.

🥈 Tier 2: The Primary Challengers

  • 1st 5 Innings O/U 3.5 (7,000%): Positioned as the most viable alternative, 1st 5 Innings O/U 3.5 maintains a 7,000% chance of resolving true. Its “Buy Yes” shares currently trade at 7,000¢.
  • 1st 5 Innings O/U 4.5 (6,100%): Sitting in third place with a 6,100% probability, the market shows measured skepticism toward 1st 5 Innings O/U 4.5, treating it as an outside wildcard unless momentum shifts.

🥉 Tier 3: The Long-Tail Options (Combining for ~0%)

Beyond the top three choices, a wide field of macro variables and long-shot outcomes are being tracked. While their individual probabilities hover low, they represent crucial hedges for speculative traders:

  • Alternative Options: This includes 1st 5 Innings O/U 5.5 (5,750%), O/U 6.5 (5,500%), and 1st 5 Innings O/U 6.5 (5,400%).
  • Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like 1st 5 Innings Spread -1.5 are still attracting notable interest.

Comprehensive Order Book & Pricing Dashboard

The table below outlines the full breakdown of contract prices, probabilities, and market depth for all listed outcomes in this prediction pool:

RankPredicted OutcomeWin ProbabilityTrading VolumeBuy Yes (Cost)Buy No (Cost)
11st 5 Innings O/U 2.58200.0%$348200¢-8100¢
21st 5 Innings O/U 3.57000.0%$8017000¢-6900¢
31st 5 Innings O/U 4.56100.0%$1166100¢-6000¢
41st 5 Innings O/U 5.55750.0%$2145750¢-5650¢
5O/U 6.55500.0%$21.7K5500¢-5400¢
61st 5 Innings O/U 6.55400.0%5400¢-5300¢
71st 5 Innings Spread -1.55000.0%$685000¢-4900¢
81st 5 Innings Spread -1.55000.0%$685000¢-4900¢
9Extra Innings5000.0%5000¢-4900¢
10St. Louis Cardinals O/U 1.55000.0%5000¢-4900¢
11St. Louis Cardinals O/U 2.55000.0%5000¢-4900¢
12St. Louis Cardinals O/U 3.55000.0%5000¢-4900¢
13St. Louis Cardinals O/U 4.55000.0%5000¢-4900¢
14Pittsburgh Pirates O/U 1.55000.0%5000¢-4900¢
15Pittsburgh Pirates O/U 2.55000.0%$505000¢-4900¢
16Pittsburgh Pirates O/U 3.55000.0%$595000¢-4900¢
17Pittsburgh Pirates O/U 4.55000.0%5000¢-4900¢
18Pittsburgh Pirates O/U 5.55000.0%5000¢-4900¢
19O/U 7.54150.0%$7.1K4150¢-4050¢
20Spread -1.54100.0%$1.4K4100¢-4000¢
21St. Louis Cardinals vs. Pittsburgh Pirates3850.0%$197.2K3850¢-3750¢
22O/U 8.52950.0%$20.1K2950¢-2850¢
23Spread -2.52400.0%$6432400¢-2300¢
24Spread -1.52400.0%$1.4K2400¢-2300¢
25Spread -2.51550.0%$6431550¢-1450¢

Result Rules

In the upcoming MLB game between the St. Louis Cardinals and Pittsburgh Pirates, scheduled for September 24 at 12:35PM ET:

This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game.

This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates win the game.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.

The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Trade Activities

Here is the trade activities for this event.

Sep 24, 2026

  • 11:36 AM
    FOForecastication2
    $5.28

    Bought 8 Under for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 8.5 at 0.66

  • 09:58 AM
    FOForecastication2
    $17.16

    Bought 26 Under for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 8.5 at 0.66

  • 09:51 AM
    BZbzglt
    $60.50

    Bought 112.037036 Over for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 6.5 at 0.54

  • 09:40 AM
    VTvtt
    $1.50

    Bought 3.658537 St. Louis Cardinals for St. Louis Cardinals vs. Pittsburgh Pirates at 0.41

  • 09:40 AM
    DEdeepmouse
    $20.00

    Bought 33.333332 Pittsburgh Pirates for St. Louis Cardinals vs. Pittsburgh Pirates at 0.6

  • 09:37 AM
    0X0xe315130229DcF148e87555a6722BAF8770Dd3911-1769357511469
    $5.64

    Bought 12 Under for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 6.5 at 0.47

  • 09:27 AM
    STstcharlos2
    $26.50

    Bought 50 Over for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 6.5 at 0.53

  • 09:26 AM
    HOHomeRunHazard
    $18.40

    Bought 40 Under for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 6.5 at 0.46

  • 09:12 AM
    MOmooseborzoi
    $47.14

    Bought 78.56 Pittsburgh Pirates for St. Louis Cardinals vs. Pittsburgh Pirates at 0.6

  • 09:09 AM
    AMameisgoat11
    $1.10

    Bought 5 St. Louis Cardinals for 1st 5 Innings Spread: St. Louis Cardinals (-1.5) at 0.22

  • 08:50 AM
    RIRicardoRoberto
    $1.00

    Bought 1.666667 Pittsburgh Pirates for St. Louis Cardinals vs. Pittsburgh Pirates at 0.6

  • 08:42 AM
    MOmooseborzoi
    $230.47

    Bought 658.49 Over for St. Louis Cardinals vs. Pittsburgh Pirates: O/U 8.5 at 0.35

Whales Wallets That Are Betting on This Event

FO1
FORTNITEMASTER888
Event PnL
+$348.52
Volume
$69,662.88
Positions
St. Louis Cardinals
DO2
Donkey14
Event PnL
-$256.41
Volume
$38,971.53
Positions
Pittsburgh Pirates
BO3
Bozos14
Event PnL
-$64.10
Volume
$12,820.51
Positions
Pittsburgh Pirates
MA4
matanovik
Event PnL
-$40.87
Volume
$8,175.00
Positions
Pittsburgh Pirates
WA5
wapol
Event PnL
-$84.73
Volume
$7,895.00
Positions
UnderPittsburgh Pirates
TH6
the.Hound
Event PnL
-$24.55
Volume
$4,911.00
Positions
Pittsburgh Pirates
FE7
ferrariChampions2026
Event PnL
+$24.17
Volume
$4,656.08
Positions
Over
MA8
MAGATheeStallion
Event PnL
+$94.96
Volume
$3,707.22
Positions
Over

Frequently Asked Questions

What is the current market consensus on "St. Louis Cardinals vs. Pittsburgh Pirates"?

As of the latest update, 1st 5 Innings O/U 2.5 leads the field as the frontrunner with a 8,200% win probability, followed by 1st 5 Innings O/U 3.5 at 7,000% and 1st 5 Innings O/U 4.5 at 6,100%. Total trading volume for this pool has reached $356.7K, indicating deep liquidity and high trader engagement.

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