KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
1+ championships 59%Leader of 4 outcomes
Market quality
29 / 100
Low quality24h Volume
—
Liquidity
$259.1
Low liquiditySpread
8.0 pt
Wide spreadMarket data
Updated 7 minutes ago
Jun 9, 26, 7:15 PM UTCJul 1, 30, 3:59 AM UTC
Trends
Rules
If the Boston Pro Basketball team, New England Pro Football team, Boston Pro Baseball team, and the Boston Bruins combine to win at least 1 championship after Jun 9, 2026 and before Jul 1, 2030, then the market resolves to Yes.
Settles via:the Football Governing LeagueNHLthe Basketball Governing Leaguethe Baseball Governing League
- Time Period Constraints: Only championships officially decided after Jun 9, 2026 and before Jul 1, 2030 are counted, based on when the governing body awards the championship, regardless of which season or year the championship represents.
- Championship Definition: Only the single, officially recognized top-level championship of the competition for a listed sports team counts.
- A conference championship, division title, playoff-qualification, or any other mid-season tournament title does not count.
- Team Relocation: A championship won by a listed sports team after that team has relocated out of Boston, Massachusetts does not count.
- Championship Rescinded: Championships that are officially vacated, stripped, or rescinded by the governing body before the Expiration Date do not count as awarded championships.
Open markets
Sports
POLYMARKETUS Open ATP: Frances Tiafoe vs Alex Michelsen
- Michelsen Total Sets: O/U 3.5+34.5pt100%
- Michelsen Set 3 Winner+45.5pt100%
- Michelsen Total Sets: O/U 4.5+70.5pt100%
+25 more outcomes
- Total Vol
- $6.9M
- 24h Vol
- $6.9M
POLYMARKETUEFA Champions League: 2027 Champion
- Barcelona17.9%
- Arsenal15.1%
- Bayern Munich13.2%
+33 more outcomes
- Total Vol
- $28.5M
KALSHIHouston vs Philadelphia
- Houston+48.0pt91.1%
- Philadelphia-48.0pt8.9%
- Total Vol
- $2.8M
- 24h Vol
- $2.7M
KALSHIUS Open Men's Singles Winner
- Carlos Alcaraz+1.0pt58%
- Alexander Zverev+4.0pt26%
- Ben Shelton+2.0pt9%
+45 more outcomes
- Total Vol
- $28.6M
KALSHIBrace vs Sorribes Tormo
- Cadence Brace52%
- Sara Sorribes Tormo48%
- Total Vol
- $2.2M
- 24h Vol
- $2M
KALSHIShelton vs Alcaraz
- Carlos Alcaraz-1.0pt77.2%
- Ben Shelton+1.0pt22.8%
- Total Vol
- $2.1M
- 24h Vol
- $1.9M
Frequently asked questions
- What are the current odds for Boston Sports: Championships before Jul 1, 2030?
- Kalshi prices 1+ championships at 59% as of September 9, 2026.
- When does Boston Sports: Championships before Jul 1, 2030 resolve?
- Boston Sports: Championships before Jul 1, 2030 is scheduled to resolve on July 1, 2030.
- How is Boston Sports: Championships before Jul 1, 2030 settled?
- Kalshi settles this market as follows: If the Boston Pro Basketball team, New England Pro Football team, Boston Pro Baseball team, and the Boston Bruins combine to win at least 1 championship after Jun 9, 2026 and before Jul 1, 2030, then the market resolves to Yes.