Market snapshot: Oct 31, 2026, 9:00 AM UTC. This snapshot is older than six hours. Check the provider for current prices and availability.

GroupKALSHI

Event GroupKALSHISports

2027 Pro Baseball Champion

Reported volume

K 128.4K contracts

Events

Markets

Trade on Kalshi

2027 Pro Baseball Champion

Vol

K 128.4K contracts

Events

Markets

Kalshi

Current odds

Snapshot from Oct 31, 2026, 9:00 AM UTC

As of Oct 31, 2026, 9:00 AM UTC, the highest-priced outcome on Kalshi is Los Angeles D at 20.8%.

Kalshi

Los Angeles D20.8%
Milwaukee13.1%
New York Y7.7%
New York M5.2%
Atlanta5.2%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

Price ChartContract price history

30 markets tracked

Historical observations can differ from current quotes. Kalshi points are hourly trade averages.

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

Will Los Angeles D win the 2027 Pro Baseball Championship?

No data available

Single-Platform Markets(30)

Market	Platform	Price
Will Los Angeles D win the 2027 Pro Baseball Championship?	Kalshi	20.8%
Will Milwaukee win the 2027 Pro Baseball Championship?	Kalshi	13.1%
Will New York Y win the 2027 Pro Baseball Championship?	Kalshi	7.7%
Will New York M win the 2027 Pro Baseball Championship?	Kalshi	5.2%
Will Atlanta win the 2027 Pro Baseball Championship?	Kalshi	5.2%
Will Detroit win the 2027 Pro Baseball Championship?	Kalshi	5.0%
Will San Diego win the 2027 Pro Baseball Championship?	Kalshi	4.7%
Will Boston win the 2027 Pro Baseball Championship?	Kalshi	4.5%
Will Tampa Bay win the 2027 Pro Baseball Championship?	Kalshi	4.5%
Will Cleveland win the 2027 Pro Baseball Championship?	Kalshi	4.3%
Will Seattle win the 2027 Pro Baseball Championship?	Kalshi	3.8%
Will Chicago C win the 2027 Pro Baseball Championship?	Kalshi	3.5%
Will Philadelphia win the 2027 Pro Baseball Championship?	Kalshi	3.5%
Will Chicago WS win the 2027 Pro Baseball Championship?	Kalshi	3.5%
Will Arizona win the 2027 Pro Baseball Championship?	Kalshi	3.5%
Will Houston win the 2027 Pro Baseball Championship?	Kalshi	2.9%
Will Pittsburgh win the 2027 Pro Baseball Championship?	Kalshi	2.3%
Will Toronto win the 2027 Pro Baseball Championship?	Kalshi	2.0%
Will Texas win the 2027 Pro Baseball Championship?	Kalshi	1.9%
Will San Francisco win the 2027 Pro Baseball Championship?	Kalshi	1.5%
Will Minnesota win the 2027 Pro Baseball Championship?	Kalshi	1.5%
Will Miami win the 2027 Pro Baseball Championship?	Kalshi	1.5%
Will Baltimore win the 2027 Pro Baseball Championship?	Kalshi	1.5%
Will A's win the 2027 Pro Baseball Championship?	Kalshi	1.5%
Will St. Louis win the 2027 Pro Baseball Championship?	Kalshi	1.4%
Will Los Angeles A win the 2027 Pro Baseball Championship?	Kalshi	1.4%
Will Cincinnati win the 2027 Pro Baseball Championship?	Kalshi	1.4%
Will Kansas City win the 2027 Pro Baseball Championship?	Kalshi	1.3%
Will Washington win the 2027 Pro Baseball Championship?	Kalshi	1.0%
Will Colorado win the 2027 Pro Baseball Championship?	Kalshi	0.8%

Rules & Resolution

Saved matching review

Needs review: no direct pair assessment is available.

A saved event match does not establish identical settlement. Pair reviews appear with each price comparison.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

K 128.4K contracts

Reported volume · provider units

Saved contracts

Same-question pairs

Source snapshot: Oct 31, 2026, 9:00 AM UTC

About This Event

2027 If X wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. This market will close and expire after a title holder is declared.

AI-generated analysis based on market data. Not financial advice.

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Event: 2027 Pro Baseball Champion
Source snapshot: Oct 31, 2026, 9:00 AM UTC
Reported event volume (provider units): K 128.4K contracts
Coverage: 30 of 30 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Will Washington win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-WSH; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 53.93 contracts
Outcome Yes: 1.0%; 24h change unavailable
Outcome No: 99.1%; 24h change unavailable
Saved rules: If Washington wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Toronto win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-TOR; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 18.21 contracts
Outcome Yes: 2.0%; 24h change unavailable
Outcome No: 98.0%; 24h change unavailable
Saved rules: If Toronto wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Texas win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-TEX; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 1.9%; 24h change unavailable
Outcome No: 98.0%; 24h change unavailable
Saved rules: If Texas wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Tampa Bay win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-TB; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 4.6K contracts
Outcome Yes: 4.5%; 24h change unavailable
Outcome No: 95.5%; 24h change unavailable
Saved rules: If Tampa Bay wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will St. Louis win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-STL; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 3.5K contracts
Outcome Yes: 1.4%; 24h change unavailable
Outcome No: 98.6%; 24h change unavailable
Saved rules: If St. Louis wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will San Francisco win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-SF; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 8.8K contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If San Francisco wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Seattle win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-SEA; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 1.1K contracts
Outcome Yes: 3.8%; 24h change unavailable
Outcome No: 96.3%; 24h change unavailable
Saved rules: If Seattle wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will San Diego win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-SD; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 4.3K contracts
Outcome Yes: 4.7%; 24h change unavailable
Outcome No: 95.3%; 24h change unavailable
Saved rules: If San Diego wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Pittsburgh win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-PIT; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 9.15 contracts
Outcome Yes: 2.3%; 24h change unavailable
Outcome No: 97.7%; 24h change unavailable
Saved rules: If Pittsburgh wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Philadelphia win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-PHI; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 2 contracts
Outcome Yes: 3.5%; 24h change unavailable
Outcome No: 96.5%; 24h change unavailable
Saved rules: If Philadelphia wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will New York Y win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-NYY; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 2.0K contracts
Outcome Yes: 7.7%; 24h change unavailable
Outcome No: 92.3%; 24h change unavailable
Saved rules: If New York Y wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will New York M win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-NYM; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 859.78 contracts
Outcome Yes: 5.2%; 24h change unavailable
Outcome No: 94.8%; 24h change unavailable
Saved rules: If New York M wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Minnesota win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-MIN; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0.25 contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If Minnesota wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Milwaukee win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-MIL; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 69.2K contracts
Outcome Yes: 13.1%; 24h change unavailable
Outcome No: 86.9%; 24h change unavailable
Saved rules: If Milwaukee wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Miami win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-MIA; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If Miami wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Los Angeles D win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-LAD; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 13.4K contracts
Outcome Yes: 20.8%; 24h change unavailable
Outcome No: 79.3%; 24h change unavailable
Saved rules: If Los Angeles D wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Los Angeles A win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-LAA; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 422.29 contracts
Outcome Yes: 1.4%; 24h change unavailable
Outcome No: 98.6%; 24h change unavailable
Saved rules: If Los Angeles A wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Kansas City win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-KC; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 1.3%; 24h change unavailable
Outcome No: 98.8%; 24h change unavailable
Saved rules: If Kansas City wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Houston win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-HOU; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 1.3K contracts
Outcome Yes: 2.9%; 24h change unavailable
Outcome No: 97.0%; 24h change unavailable
Saved rules: If Houston wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Detroit win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-DET; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 1.0K contracts
Outcome Yes: 5.0%; 24h change unavailable
Outcome No: 95.0%; 24h change unavailable
Saved rules: If Detroit wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Chicago WS win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-CWS; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 6.6K contracts
Outcome Yes: 3.5%; 24h change unavailable
Outcome No: 96.5%; 24h change unavailable
Saved rules: If Chicago WS wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Colorado win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-COL; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 0.8%; 24h change unavailable
Outcome No: 99.3%; 24h change unavailable
Saved rules: If Colorado wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Cleveland win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-CLE; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 7.7K contracts
Outcome Yes: 4.3%; 24h change unavailable
Outcome No: 95.7%; 24h change unavailable
Saved rules: If Cleveland wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Cincinnati win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-CIN; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 122.18 contracts
Outcome Yes: 1.4%; 24h change unavailable
Outcome No: 98.6%; 24h change unavailable
Saved rules: If Cincinnati wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Chicago C win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-CHC; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 173.99 contracts
Outcome Yes: 3.5%; 24h change unavailable
Outcome No: 96.5%; 24h change unavailable
Saved rules: If Chicago C wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Boston win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-BOS; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 701.31 contracts
Outcome Yes: 4.5%; 24h change unavailable
Outcome No: 95.5%; 24h change unavailable
Saved rules: If Boston wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Baltimore win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-BAL; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If Baltimore wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Arizona win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-AZ; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 172.39 contracts
Outcome Yes: 3.5%; 24h change unavailable
Outcome No: 96.5%; 24h change unavailable
Saved rules: If Arizona wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will Atlanta win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-ATL; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 2.3K contracts
Outcome Yes: 5.2%; 24h change unavailable
Outcome No: 94.8%; 24h change unavailable
Saved rules: If Atlanta wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Contract: Will A's win the 2027 Pro Baseball Championship?
Provider: kalshi; ID: kalshi-KXMLB-27-ATH; status: active
Source: https://kalshi.com/markets/kxmlb-27
Observed: Oct 31, 2026, 9:00 AM UTC
Listed close: Oct 31, 2029, 4:00 AM UTC
Reported volume: 0 contracts
Outcome Yes: 1.5%; 24h change unavailable
Outcome No: 98.5%; 24h change unavailable
Saved rules: If A's wins the 2027 Pro Baseball Championship, then the market resolves to Yes. Secondary rules: Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a title holder is declared.

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

Explain the named outcomes, material rule/deadline differences, and evidence limits. Keep Polymarket dollar volume separate from Kalshi contract counts. Do not average unrelated contracts, infer missing prices or changes, or describe unreviewed/related pairs as equivalent. Distinguish listed prices from executable bid/ask prices, fees and available size. Do not invent current news, confidence scores or settlement guarantees. Cite the provided source links and identify what further evidence would be needed.

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AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

KALSHISports

2027 Pro Baseball Champion

Volume$128.38K

Markets30

30 of 30

Sort:

Will Los Angeles D win the 2027 Pro Baseball Championship?

kalshi

Will Los Angeles D win the 2027 Pro Baseball Championship?

Yes: 20.8¢
No: 79.3¢

Will Milwaukee win the 2027 Pro Baseball Championship?

kalshi

Will Milwaukee win the 2027 Pro Baseball Championship?

Yes: 13.1¢
No: 86.9¢

Will New York Y win the 2027 Pro Baseball Championship?

kalshi

Will New York Y win the 2027 Pro Baseball Championship?

Yes: 7.7¢
No: 92.3¢

Will New York M win the 2027 Pro Baseball Championship?

kalshi

Will New York M win the 2027 Pro Baseball Championship?

Yes: 5.2¢
No: 94.8¢

Will Atlanta win the 2027 Pro Baseball Championship?

kalshi

Will Atlanta win the 2027 Pro Baseball Championship?

Yes: 5.2¢
No: 94.8¢

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

KalshiSports

Pro Baseball · 2027 Regular Season Start Date

K 83.5K contracts

Will the first regular season game in the 2027 Pro Baseball season take place before Jul 13, 2027?Yes 83.5%

Will the first regular season game in the 2027 Pro Baseball season take place before May 31, 2027?Yes 60%

Will the first regular season game in the 2027 Pro Baseball season take place before Apr 30, 2027?Yes 46.5%

+2 moreNext deadline Apr 1, 2027 UTC

PolymarketKalshiSports

2027 Pro Football Champion

PM $70.74M · K 210.49M contracts

Will the San Francisco 49ers win the 2027 NFL league championship?

Kalshi: Will San Francisco win the 2027 Pro Football Championship?

Same question, fine print differs

PM Yes 14.1%Rules differK Yes 15.5%

Will the Buffalo Bills win the 2027 NFL league championship?

Kalshi: Will Buffalo win the 2027 Pro Football Championship?

Same question, fine print differs

PM Yes 11.5%Rules differK Yes 11.5%

Will the Kansas City Chiefs win the 2027 NFL league championship?

Kalshi: Will Kansas City win the 2027 Pro Football Championship?

Same question, fine print differs

PM Yes 10.1%Rules differK Yes 9.5%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

32 saved comparisonsNext deadline Apr 1, 2027 UTC

PolymarketKalshiSports

2027 Pro Basketball Champion

PM $34.21M · K 55.56M contracts

Will San Antonio Spurs win the 2027 NBA Finals?

Kalshi: Will San Antonio win the 2027 Pro Basketball Finals?

Same question, fine print differs

PM Yes 21.5%Rules differK Yes 21.5%

Will Oklahoma City Thunder win the 2027 NBA Finals?

Kalshi: Will Oklahoma City win the 2027 Pro Basketball Finals?

Same question, fine print differs

PM Yes 13.5%Rules differK Yes 15.5%

Will Philadelphia 76ers win the 2027 NBA Finals?

Kalshi: Will Philadelphia win the 2027 Pro Basketball Finals?

Same question, fine print differs

PM Yes 11%Rules differK Yes 11.5%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

30 saved comparisonsNext deadline Jul 1, 2027 UTC

KalshiSports

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Next Market Deadline

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Oct 31, 2029, 4:00 AM UTC

Market Insights

Price gaps of 2 pp+

Same-question pairs

No outcomes on this page have been reviewed as the same question on both platforms yet.

Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.

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