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icon for Massachusetts Democratic Senate Primary Winner
Politics·Primaries

Massachusetts Democratic Senate Primary Winner

icon for Massachusetts Democratic Senate Primary Winner
Politics·Primaries

Massachusetts Democratic Senate Primary Winner

Ed Markey 100.0%

Ayanna Pressley <1%

Seth Moulton <1%

Alexander Rikleen <1%

Polymarket

$214,284 Vol.

Ed Markey 100.0%

Ayanna Pressley <1%

Seth Moulton <1%

Alexander Rikleen <1%

Polymarket

$214,284 Vol.

icon for Ayanna Pressley

Ayanna Pressley

$3,561 Vol.

No

icon for Seth Moulton

Seth Moulton

$114,751 Vol.

No

icon for Ed Markey

Ed Markey

$92,725 Vol.

Yes

icon for Alexander Rikleen

Alexander Rikleen

$3,247 Vol.

No

This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts. If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.Ed Markey secured the Democratic nomination for U.S. Senate in Massachusetts on September 1, 2026, defeating Rep. Seth Moulton by a wide margin in a contest centered on progressive policy alignment versus calls for generational turnover. The incumbent emphasized his long record on the Green New Deal, Medicare for All, and transgender rights, bolstered by endorsements from Sens. Elizabeth Warren and Bernie Sanders along with Reps. Alexandria Ocasio-Cortez and Ayanna Pressley. Moulton positioned himself as a fresher alternative but faced headwinds over prior moderate stances, including comments on transgender athletes. In the heavily Democratic state, the primary outcome reflects trader consensus on the strength of Markey’s ideological positioning and institutional support ahead of the November general election.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.

If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts. If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$214,284
End Date
Sep 1, 2026
Market Opened
Dec 2, 2025, 3:26 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts. If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.Ed Markey secured the Democratic nomination for U.S. Senate in Massachusetts on September 1, 2026, defeating Rep. Seth Moulton by a wide margin in a contest centered on progressive policy alignment versus calls for generational turnover. The incumbent emphasized his long record on the Green New Deal, Medicare for All, and transgender rights, bolstered by endorsements from Sens. Elizabeth Warren and Bernie Sanders along with Reps. Alexandria Ocasio-Cortez and Ayanna Pressley. Moulton positioned himself as a fresher alternative but faced headwinds over prior moderate stances, including comments on transgender athletes. In the heavily Democratic state, the primary outcome reflects trader consensus on the strength of Markey’s ideological positioning and institutional support ahead of the November general election.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts.

If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts. If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$214,284
End Date
Sep 1, 2026
Market Opened
Dec 2, 2025, 3:26 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

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Frequently Asked Questions

"Massachusetts Democratic Senate Primary Winner" is a prediction market on Polymarket with 4 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Ed Markey" at 100%, followed by "Ayanna Pressley" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% 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 Democratic Senate Primary Winner" has generated $214.3K in total trading volume since the market launched on Dec 2, 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 Democratic Senate Primary Winner," browse the 4 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 Democratic Senate Primary Winner" is "Ed Markey" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "Ayanna Pressley" at 0%. 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 Democratic Senate 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.