Michael Minogue secured the Massachusetts Republican Party endorsement at the April 2026 convention with roughly 70 percent of delegate votes, establishing him as the clear frontrunner in the September 1 primary. Former MBTA leader Brian Shortsleeve narrowly cleared the 15 percent threshold needed to remain on the ballot, while former cabinet secretary Mike Kennealy fell short and suspended his campaign. Minogue’s strong delegate performance, self-funding capacity, and positioning as an outsider with business experience have consolidated trader consensus around his nomination prospects. Shortsleeve retains modest support as the remaining alternative, yet faces a steep path in a head-to-head contest against the endorsed candidate. The convention outcome continues to anchor current market pricing for the Republican gubernatorial nominee.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMichael Minogue 76%
Brian Shortsleeve 12.9%
Mike Kennealy <1%
$20,991 Vol.
$20,991 Vol.
Michael Minogue
80%
Brian Shortsleeve
13%
Mike Kennealy
<1%
Michael Minogue 76%
Brian Shortsleeve 12.9%
Mike Kennealy <1%
$20,991 Vol.
$20,991 Vol.
Michael Minogue
80%
Brian Shortsleeve
13%
Mike Kennealy
<1%
If no 2026 Massachusetts Gubernatorial Republican Primary takes place, this market will resolve to “Other.”
The resolution source for this market will be the first official announcement of the results from the Massachusetts Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Market Opened: Dec 10, 2025, 4:20 PM ET
Resolver
0x2F5e3684c...If no 2026 Massachusetts Gubernatorial Republican Primary takes place, this market will resolve to “Other.”
The resolution source for this market will be the first official announcement of the results from the Massachusetts Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Resolver
0x2F5e3684c...Michael Minogue secured the Massachusetts Republican Party endorsement at the April 2026 convention with roughly 70 percent of delegate votes, establishing him as the clear frontrunner in the September 1 primary. Former MBTA leader Brian Shortsleeve narrowly cleared the 15 percent threshold needed to remain on the ballot, while former cabinet secretary Mike Kennealy fell short and suspended his campaign. Minogue’s strong delegate performance, self-funding capacity, and positioning as an outsider with business experience have consolidated trader consensus around his nomination prospects. Shortsleeve retains modest support as the remaining alternative, yet faces a steep path in a head-to-head contest against the endorsed candidate. The convention outcome continues to anchor current market pricing for the Republican gubernatorial nominee.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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