Washington Nationals vs. St. Louis Cardinals
Core Summary
According to the latest prediction market data for the query “Washington Nationals vs. St. Louis Cardinals”, traders have formed a strong consensus.
Currently, Washington Nationals O/U 1.5 is dominating the market with an overwhelming 8,800% chance of winning. St. Louis Cardinals O/U 2.5 follows in second place at 8,400%, while Washington Nationals O/U 2.5 sits in third with 8,250%. The betting volume for this specific market has already reached $244.7K, 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
- Washington Nationals O/U 1.5 (8,800%): Currently commanding the highest probability, Washington Nationals O/U 1.5 is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 8,800¢, signaling a high degree of market conviction.
🥈 Tier 2: The Primary Challengers
- St. Louis Cardinals O/U 2.5 (8,400%): Positioned as the most viable alternative, St. Louis Cardinals O/U 2.5 maintains a 8,400% chance of resolving true. Its “Buy Yes” shares currently trade at 8,400¢.
- Washington Nationals O/U 2.5 (8,250%): Sitting in third place with a 8,250% probability, the market shows measured skepticism toward Washington Nationals O/U 2.5, 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 2.5 (7,800%), Washington Nationals O/U 3.5 (7,550%), and St. Louis Cardinals O/U 3.5 (7,500%).
- Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like 1st 5 Innings O/U 3.5 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:
| Rank | Predicted Outcome | Win Probability | Trading Volume | Buy Yes (Cost) | Buy No (Cost) |
|---|---|---|---|---|---|
| 1 | Washington Nationals O/U 1.5 | 8800.0% | — | 8800¢ | -8700¢ |
| 2 | St. Louis Cardinals O/U 2.5 | 8400.0% | — | 8400¢ | -8300¢ |
| 3 | Washington Nationals O/U 2.5 | 8250.0% | — | 8250¢ | -8150¢ |
| 4 | 1st 5 Innings O/U 2.5 | 7800.0% | — | 7800¢ | -7700¢ |
| 5 | Washington Nationals O/U 3.5 | 7550.0% | — | 7550¢ | -7450¢ |
| 6 | St. Louis Cardinals O/U 3.5 | 7500.0% | — | 7500¢ | -7400¢ |
| 7 | 1st 5 Innings O/U 3.5 | 6500.0% | — | 6500¢ | -6400¢ |
| 8 | Washington Nationals O/U 5.5 | 6150.0% | — | 6150¢ | -6050¢ |
| 9 | O/U 7.5 | 6050.0% | $222 | 6050¢ | -5950¢ |
| 10 | St. Louis Cardinals O/U 5.5 | 6000.0% | — | 6000¢ | -5900¢ |
| 11 | St. Louis Cardinals O/U 6.5 | 5500.0% | — | 5500¢ | -5400¢ |
| 12 | 1st 5 Innings O/U 4.5 | 5350.0% | $1.3K | 5350¢ | -5250¢ |
| 13 | O/U 8.5 | 5250.0% | $479 | 5250¢ | -5150¢ |
| 14 | NRFI | 5050.0% | $280 | 5050¢ | -4950¢ |
| 15 | Washington Nationals vs. St. Louis Cardinals | 4950.0% | $240.5K | 4950¢ | -4850¢ |
| 16 | Washington Nationals O/U 4.5 | 4650.0% | — | 4650¢ | -4550¢ |
| 17 | St. Louis Cardinals O/U 4.5 | 4450.0% | — | 4450¢ | -4350¢ |
| 18 | 1st 5 Innings O/U 5.5 | 4250.0% | $3 | 4250¢ | -4150¢ |
| 19 | O/U 9.5 | 4150.0% | $361 | 4150¢ | -4050¢ |
| 20 | Spread -1.5 | 3750.0% | $1.6K | 3750¢ | -3650¢ |
| 21 | Spread -1.5 | 3350.0% | $1.6K | 3350¢ | -3250¢ |
| 22 | 1st 5 Innings Spread -1.5 | 3150.0% | $10 | 3150¢ | -3050¢ |
| 23 | 1st 5 Innings O/U 6.5 | 3050.0% | — | 3050¢ | -2950¢ |
| 24 | 1st 5 Innings Spread -1.5 | 3000.0% | $10 | 3000¢ | -2900¢ |
| 25 | Spread -2.5 | 2850.0% | $82 | 2850¢ | -2750¢ |
| 26 | Spread -2.5 | 2550.0% | $82 | 2550¢ | -2450¢ |
| 27 | Extra Innings | 900.0% | — | 900¢ | -800¢ |
Result Rules
In the upcoming MLB game between the Washington Nationals and St. Louis Cardinals, scheduled for September 19 at 7:15PM ET:
This market will resolve to "Washington Nationals" if the Washington Nationals win the game.
This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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 19, 2026
- 09:43 PMYOYosooooooo$1.85
Bought 3.627451 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:42 PMYOYosooooooo$1.85
Bought 3.7 Washington Nationals for Washington Nationals vs. St. Louis Cardinals at 0.5
- 09:41 PMLUlurkr$1.00
Bought 1.960785 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:33 PMYOYosooooooo$1.85
Bought 3.627451 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:32 PMYOYosooooooo$1.85
Bought 3.7 Washington Nationals for Washington Nationals vs. St. Louis Cardinals at 0.5
- 09:31 PMYOYosooooooo$1.85
Bought 3.627451 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:29 PMYOYosooooooo$1.93
Sold 3.86 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.5
- 09:29 PMYOYosooooooo$1.97
Bought 3.862746 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:28 PMYOYosooooooo$1.85
Bought 3.7 Washington Nationals for Washington Nationals vs. St. Louis Cardinals at 0.5
- 09:28 PMYOYosooooooo$1.85
Bought 3.627451 St. Louis Cardinals for Washington Nationals vs. St. Louis Cardinals at 0.51
- 09:27 PMYOYosooooooo$1.85
Bought 3.7 Washington Nationals for Washington Nationals vs. St. Louis Cardinals at 0.5
- 09:24 PMTITimPenis$1.86
Bought 3.72 Washington Nationals for Washington Nationals vs. St. Louis Cardinals at 0.5
Whales Wallets That Are Betting on This Event
Frequently Asked Questions
What is the current market consensus on "Washington Nationals vs. St. Louis Cardinals"?
As of the latest update, Washington Nationals O/U 1.5 leads the field as the frontrunner with a 8,800% win probability, followed by St. Louis Cardinals O/U 2.5 at 8,400% and Washington Nationals O/U 2.5 at 8,250%. Total trading volume for this pool has reached $244.7K, indicating deep liquidity and high trader engagement.
