← Explore · Kalshi · Market KXCITYCHAMPS-BOS30JUL01CPRB-4
Boston Pro Basketball team, New England Pro Football team, Boston Pro Baseball team, and the Boston Bruins: At least 4 championships after Jun 9, 2026 and before Jul 1, 2030
A · Price & probability
The market prices this at 1.0%, flat over 24h, on a 3.0¢ spread.
B · Liquidity & flow
Thin (score 35/100) — trade small; large orders will move the price. Order book leans 0% to the ask (sellers).
C · Momentum & volatility
RSI 50 (neutral); price is above its 7-day mean by 0.0σ — normal range.
E · Time & structure
Resolves in 1335d 9h.
Price history
Probability timeline
Order-book depth
Cost to trade
Pro See what a live order would actually cost after walking the book, and the edge/EV/Kelly at that real price. Upgrade
Longshot tax — return by price bucket
History says buyers in the 0-10¢ bucket lost ~60% per $1, on average.
Other venues
Pro See the live Kalshi ↔ Polymarket gap, the after-fee combined cost of hedging both legs, and its history. Upgrade
How this settles
Summary
If the Boston Pro Basketball team, New England Pro Football team, Boston Pro Baseball team, and the Boston Bruins combine to win at least 4 championships after Jun 9, 2026 and before Jul 1, 2030, then the market resolves to Yes.
Expanded rules
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 Championship Rescinded: Championships that are officially vacated, stripped, or rescinded by the governing body before the Expiration Date do not count as awarded championships. Any vacatur, reversal, or appeal occurring after the Expiration Date does not affect the resolution. 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.