St. Louis Cardinals vs. San Francisco Giants

$146.2K Vol
Sep 16, 2026
Active
Probability Trend
St. Louis Cardinals 51.5%
San Francisco Giants 48.5%

Core Summary

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

Currently, 1st 5 Innings O/U 2.5 is dominating the market with an overwhelming 7,450% chance of winning. 1st 5 Innings O/U 3.5 follows in second place at 6,250%, while O/U 7.5 sits in third with 5,650%. The betting volume for this specific market has already reached $146.2K, 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 (7,450%): 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 7,450¢, signaling a high degree of market conviction.

🥈 Tier 2: The Primary Challengers

  • 1st 5 Innings O/U 3.5 (6,250%): Positioned as the most viable alternative, 1st 5 Innings O/U 3.5 maintains a 6,250% chance of resolving true. Its “Buy Yes” shares currently trade at 6,250¢.
  • O/U 7.5 (5,650%): Sitting in third place with a 5,650% probability, the market shows measured skepticism toward O/U 7.5, 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 St. Louis Cardinals vs. San Francisco Giants (5,150%), O/U 8.5 (5,150%), and NRFI (5,000%).
  • Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like 1st 5 Innings O/U 4.5 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 2.57450.0%7450¢-7350¢
21st 5 Innings O/U 3.56250.0%6250¢-6150¢
3O/U 7.55650.0%$3.9K5650¢-5550¢
4St. Louis Cardinals vs. San Francisco Giants5150.0%$35.7K5150¢-5050¢
5O/U 8.55150.0%$165.0K5150¢-5050¢
6NRFI5000.0%$705000¢-4900¢
71st 5 Innings O/U 4.54950.0%4950¢-4850¢
8Spread -1.53950.0%$663950¢-3850¢
9O/U 9.53850.0%$843850¢-3750¢
101st 5 Innings O/U 5.53650.0%$33650¢-3550¢
111st 5 Innings Spread -1.53050.0%3050¢-2950¢
12Spread -1.53050.0%$663050¢-2950¢
13Spread -2.53050.0%$333050¢-2950¢
141st 5 Innings Spread -1.52850.0%2850¢-2750¢
151st 5 Innings O/U 6.52700.0%2700¢-2600¢
16Spread -2.52150.0%$332150¢-2050¢
17Extra Innings1050.0%$661050¢-950¢

Result Rules

In the upcoming MLB game between the St. Louis Cardinals and San Francisco Giants, scheduled for September 9 at 3:45PM ET:

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

This market will resolve to "San Francisco Giants" if the San Francisco Giants 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 9, 2026

  • 11:46 AM
    WHWhyYouAreHere
    $2.00

    Bought 3.508772 Over for St. Louis Cardinals vs. San Francisco Giants: O/U 7.5 at 0.57

  • 11:39 AM
    ELelep222
    $2.29

    Bought 20.8 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.11

  • 11:31 AM
    ELelep222
    $1.09

    Bought 9.89 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.11

  • 11:19 AM
    ELelep222
    $1.01

    Bought 8.43 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.12

  • 11:08 AM
    ELelep222
    $0.82

    Bought 7.48 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.11

  • 10:57 AM
    ELelep222
    $0.82

    Bought 6.81 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.12

  • 10:52 AM
    TATattyBojangles
    $50.00

    Bought 104.166667 Over for St. Louis Cardinals vs. San Francisco Giants: O/U 8.5 at 0.48

  • 10:46 AM
    ELelep222
    $0.79

    Bought 7.19 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.11

  • 10:21 AM
    ELelep222
    $0.62

    Bought 5.19 Yes for Will the game go to extra innings?: St. Louis Cardinals vs. San Francisco Giants at 0.12

  • 09:47 AM
    CUCukkoo
    $1.41

    Bought 3 San Francisco Giants for St. Louis Cardinals vs. San Francisco Giants at 0.47

  • 09:32 AM
    ELelep222
    $4.42

    Bought 8.18 St. Louis Cardinals for St. Louis Cardinals vs. San Francisco Giants at 0.54

  • 09:26 AM
    ELelep222
    $7.83

    Bought 20.61 Over for St. Louis Cardinals vs. San Francisco Giants: O/U 9.5 at 0.38

Whales Wallets That Are Betting on This Event

SD1
SDTrading
Event PnL
-$92.71
Volume
$18,544.84
Positions
San Francisco Giants
322
0x32b4…3653
Event PnL
+$42.68
Volume
$8,535.96
Positions
St. Louis Cardinals
RO3
roldy
Event PnL
+$27.50
Volume
$5,500.00
Positions
St. Louis Cardinals
NI4
nigiri99
Event PnL
-$3.41
Volume
$4,902.00
Positions
St. Louis CardinalsUnderOver
BR5
brendoncarson
Event PnL
-$29.20
Volume
$2,321.89
Positions
OverOver
HO6
HomeRunHazard
Event PnL
+$32.53
Volume
$2,240.80
Positions
UnderSt. Louis CardinalsSt. Louis Cardinals+1
387
38791873984189
Event PnL
+$0.67
Volume
$1,460.17
Positions
San Francisco GiantsUnderOver+1
SH8
shaw
Event PnL
-$5.00
Volume
$1,000.00
Positions
San Francisco Giants

Frequently Asked Questions

What is the current market consensus on "St. Louis Cardinals vs. San Francisco Giants"?

As of the latest update, 1st 5 Innings O/U 2.5 leads the field as the frontrunner with a 7,450% win probability, followed by 1st 5 Innings O/U 3.5 at 6,250% and O/U 7.5 at 5,650%. Total trading volume for this pool has reached $146.2K, indicating deep liquidity and high trader engagement.

Get Started