Skip to main content
icon for Massachusetts Governor Republican Primary Winner
Politics·Primaries

Massachusetts Governor Republican Primary Winner

icon for Massachusetts Governor Republican Primary Winner
Politics·Primaries

Massachusetts Governor Republican Primary Winner

Michael Minogue 84%

Brian Shortsleeve 10.1%

Mike Kennealy 1.8%

Polymarket

$18,628 Vol.

Michael Minogue 84%

Brian Shortsleeve 10.1%

Mike Kennealy 1.8%

Polymarket

$18,628 Vol.

Michael Minogue

$7,204 Vol.

84%

Brian Shortsleeve

$1,614 Vol.

10%

Mike Kennealy

$9,810 Vol.

2%

This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. 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.At the Massachusetts Republican Party convention last weekend, delegates overwhelmingly endorsed Michael Minogue for governor in a landslide, securing his spot on the September 1 primary ballot while granting Brian Shortsleeve the narrow 15% threshold for qualification. Former Baker administration official Mike Kennealy fell short, prompting his campaign suspension and relegating him to fringe odds amid trader consensus favoring Minogue at 84.5% implied probability. Minogue's momentum stems from this party backing—often a strong primary predictor—plus a dominant fundraising edge with nearly $10 million cash on hand, dwarfing rivals. Shortsleeve clings to contention as the sole remaining challenger, though historical endorsement weight tilts heavily toward Minogue ahead of early voting and absentee ballots.

This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off.

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.
Volume
$18,628
End Date
Sep 1, 2026
Market Opened
Dec 10, 2025, 4:20 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. 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.
This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. 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.At the Massachusetts Republican Party convention last weekend, delegates overwhelmingly endorsed Michael Minogue for governor in a landslide, securing his spot on the September 1 primary ballot while granting Brian Shortsleeve the narrow 15% threshold for qualification. Former Baker administration official Mike Kennealy fell short, prompting his campaign suspension and relegating him to fringe odds amid trader consensus favoring Minogue at 84.5% implied probability. Minogue's momentum stems from this party backing—often a strong primary predictor—plus a dominant fundraising edge with nearly $10 million cash on hand, dwarfing rivals. Shortsleeve clings to contention as the sole remaining challenger, though historical endorsement weight tilts heavily toward Minogue ahead of early voting and absentee ballots.

This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off.

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.
Volume
$18,628
End Date
Sep 1, 2026
Market Opened
Dec 10, 2025, 4:20 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the winner of the Republican Primary for Governor of Massachusetts, scheduled to take place on September 1, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. 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.

Related

icon for Will Robert Charles win the 2026 Maine Governor Republican primary election?

Will Robert Charles win the 2026 Maine Governor Republican primary election?

46%
icon for Will Kelly Ayotte win the 2026 New Hampshire Governor Republican primary election?

Will Kelly Ayotte win the 2026 New Hampshire Governor Republican primary election?

85%
icon for Will the Democrats win the Massachusetts governor race in 2026?

Will the Democrats win the Massachusetts governor race in 2026?

95%

Beware of external links.

Frequently Asked Questions

"Massachusetts Governor Republican Primary Winner" is a prediction market on Polymarket with 3 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Michael Minogue" at 84%, followed by "Brian Shortsleeve" at 10%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 84¢ implies that the market collectively assigns a 84% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Massachusetts Governor Republican Primary Winner" has generated $18.6K in total trading volume since the market launched on Dec 10, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Massachusetts Governor Republican Primary Winner," browse the 3 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Massachusetts Governor Republican Primary Winner" is "Michael Minogue" at 84%, meaning the market assigns a 84% chance to that outcome. The next closest outcome is "Brian Shortsleeve" at 10%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Massachusetts Governor Republican Primary Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.