TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Toronto Blue Jays vs. Baltimore Orioles
polymarket
kalshi

Who will win Toronto Blue Jays vs Baltimore Orioles?

Volume:
$1,259,419

Over 0.5 runs in the 1st inning

all

2 markets

Kalshi

Polymarket

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 22, 2026

Closed: Sep 21, 7:49 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Over 0.5 runs in the 1st inning

View
100%
54%
Yes 100¢No 0¢
100¢
N/A
$301,509
N/A
N/A
$226,713
Settled
Yes
polymarket

NRFI

100%
53%
Yes 100¢No 0¢
0.1¢
N/A
$3,043
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

100%
37%
Yes 100¢No 0¢
0.1¢
N/A
$14,922
N/A
N/A
N/A
Settled
Yes
polymarket

Baltimore Orioles O/U 3.5

100%
49%
Yes 100¢No 0¢
0.1¢
N/A
$1,149
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$131
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

100%
41%
Yes 100¢No 0¢
0.1¢
N/A
$112
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

100%
28%
Yes 100¢No 0¢
0.1¢
N/A
$33
N/A
N/A
N/A
Settled
Yes
polymarket

Baltimore Orioles O/U 2.5

100%
24%
Yes 100¢No 0¢
0.7¢
N/A
$23
N/A
N/A
N/A
Settled
Yes
polymarket

Toronto Blue Jays O/U 1.5

100%
1%
Yes 100¢No 0¢
3¢
N/A
$12
N/A
N/A
N/A
Settled
Yes
polymarket

Toronto Blue Jays vs. Baltimore Orioles

0%
49%
Yes 0¢No 100¢
—
N/A
$799,353
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

0%
51%
Yes 0¢No 100¢
—
N/A
$52,597
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

0%
43%
Yes 0¢No 100¢
—
N/A
$37,395
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
32%
Yes 0¢No 100¢
—
N/A
$20,742
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
27%
Yes 0¢No 100¢
—
N/A
$14,502
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
37%
Yes 0¢No 100¢
—
N/A
$6,534
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
$4,142
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$1,611
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
28%
Yes 0¢No 100¢
—
N/A
$573
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

0%
46%
Yes 0¢No 100¢
—
N/A
$290
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
23%
Yes 0¢No 100¢
—
N/A
$222
N/A
N/A
N/A
Settled
Yes
polymarket

Extra Innings

0%
8%
Yes 0¢No 100¢
—
N/A
$210
N/A
N/A
N/A
Settled
No
polymarket

Spread -3.5

0%
Yes 0¢No 100¢
—
N/A
$177
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

0%
34%
Yes 0¢No 100¢
—
N/A
$69
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

0%
25%
Yes 0¢No 100¢
—
N/A
$50
N/A
N/A
N/A
Settled
Yes
polymarket

Toronto Blue Jays O/U 3.5

0%
52%
Yes 0¢No 100¢
—
N/A
$18
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 32

Intro

This market tracks the Over/Under for the Baltimore Orioles team total runs in their game against the Toronto Blue Jays. Currently, the consensus probability that the Orioles will score Over 3.5 runs is 100.0%. This prediction aggregates data from Polymarket and Kalshi, and will resolve based on official statistics reported by https://www.mlb.com/. Keep an eye on the game itself on September 21st, as the outcome of this market will depend on the actual run total achieved by the Baltimore Orioles during the contest.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: The markets have differing scopes and resolution timings. Polymarket offers a suite of markets with a 24-hour grace period for official stats, while Kalshi focuses on a single event with a simpler rule.Hero tip: Focus on the specific market you are trading and understand its unique resolution criteria. Be aware that Kalshi's market is very narrowly defined.

Critical divergence points:

  • Polymarket: Resolves based on official MLB statistics for a variety of outcomes (winner, run totals, spreads). If the game is postponed, the market remains open. If canceled, it resolves 50-50. A 24-hour grace period is allowed for official stats publication.
  • Kalshi: Resolves to 'Yes' if either team scores a run in the first inning. If the game is postponed, the market remains open until completion.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

In the upcoming MLB game between the Toronto Blue Jays and Baltimore Orioles, scheduled for September 21 at 6:35PM ET: This market will resolve to "Toronto Blue Jays" if the Toronto Blue Jays win the game. This market will resolve to "Baltimore Orioles" if the Baltimore Orioles 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.

Kalshi

If either team scores a run in the first inning of the Toronto vs Baltimore professional baseball game originally scheduled for Sep 21, 2026 at 6:35 PM EDT, then the market resolves to Yes.

Frequently asked questions

Prediction market odds often reflect the collective intelligence of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. This can lead to discrepancies, especially when public sentiment strongly disagrees with the sportsbook's initial assessment. The volume of $1,259,419 suggests significant interest in this event, indicating a robust prediction market.

Prices on Polymarket and Kalshi can diverge due to several factors. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform has its own user base, trading dynamics, and fee structure, all of which can influence price discovery. Additionally, the specific markets offered on each platform may focus on different aspects of the game, leading to varying probabilities. For example, one platform might focus on the total runs scored, while the other concentrates on which team will win. These differences in market definition contribute to the observed price discrepancies.

Several factors could significantly impact this market before the game concludes. Any news regarding key player injuries, changes in the starting pitchers, or even weather forecasts could shift the probabilities. Unexpected performance in earlier games during the series could also influence trader sentiment. Major shifts in public opinion, driven by media coverage or social media trends, can also contribute to price movements. With a current volume of $1,259,419, the market is sensitive to new information and likely to react quickly to relevant developments.