Massachusetts Democratic Senate Primary Winner

Ed Markey 83%

Seth Moulton 18%

Ayanna Pressley <1%

Alexander Rikleen <1%

$80,453 Vol.

Sep 1, 2026

Ed Markey

$37,054 Vol.

83%

Seth Moulton

$36,591 Vol.

18%

Ayanna Pressley

$3,561 Vol.

<1%

Alexander Rikleen

$3,247 Vol.

<1%

Ed Markey 83%

Seth Moulton 18%

Ayanna Pressley <1%

Alexander Rikleen <1%

$80,453 Vol.

Sep 1, 2026

Ed Markey

$37,054 Vol.

83%

Seth Moulton

$36,591 Vol.

18%

Ayanna Pressley

$3,561 Vol.

<1%

Alexander Rikleen

$3,247 Vol.

<1%

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.

Will Chris Pappas be the Democratic nominee for Senate in New Hampshire?

95%

Will Chris Coons be the Democratic nominee for Senate in Delaware?

96%

Will Jack Reed be the Democratic nominee for Senate in Rhode Island?

97%

Beware of external links.

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 83%, followed by "Seth Moulton" at 18%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 83¢ implies that the market collectively assigns a 83% 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 $80.5K 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 83%, meaning the market assigns a 83% chance to that outcome. The next closest outcome is "Seth Moulton" at 18%. 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.

Yes. You don't need to trade to stay informed. This page serves as a live tracker for "Massachusetts Democratic Senate Primary Winner." The outcome probabilities update in real-time as new trades come in. You can bookmark this page and check the comments section to see what other traders are saying. You can also use the time-range filters on the chart to see how the odds have shifted over time. It's a free, real-time window into what the market expects to happen.

Polymarket odds are set by real traders putting real money behind their beliefs, which tends to surface accurate predictions. With $80.5K traded on “Massachusetts Democratic Senate Primary Winner,” these prices aggregate the collective knowledge and conviction of thousands of participants — often outperforming polls, expert forecasts, and traditional surveys. Prediction markets like Polymarket have a strong track record of accuracy, especially as events approach their resolution date. For example, Polymarket has a one month accuracy score of 94%. For the latest stats on Polymarket’s prediction accuracy, visit the accuracy page on Polymarket.

To place your first trade on "Massachusetts Democratic Senate Primary Winner," sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Once your account is funded, return to this page, select the outcome you want to trade, enter your amount, and click "Trade." If you're new to prediction markets, click the "How it works" link at the top of any Polymarket page for a quick step-by-step walkthrough of how trading works.

On Polymarket, the price of each outcome represents the market's implied probability. A price of 83¢ for "Ed Markey" in the "Massachusetts Democratic Senate Primary Winner" market means traders collectively believe there is roughly a 83% chance that "Ed Markey" will be the correct result. If you buy "Yes" shares at 83¢ and the outcome is correct, you receive $1.00 per share — a profit of 17¢ per share. If incorrect, those shares are worth $0.

The "Massachusetts Democratic Senate Primary Winner" market is scheduled to resolve on or around Aug 31, 2026. This means trading will remain open and the odds will continue to shift as new information emerges until that date. The exact resolution timing depends on when the official result becomes available, as outlined in the "Rules" section on this page.

The "Massachusetts Democratic Senate Primary Winner" market was recently created. Be one of the first to share your analysis by posting a comment below, or check back as the market grows to read what other traders think. You can also view the "Activity" tab for a real-time feed of recent trades.

Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge of real-world events. Traders buy and sell shares on outcomes for topics ranging from politics and elections to crypto, finance, sports, tech, and culture, including markets like "Massachusetts Democratic Senate Primary Winner." Prices reflect real-time, crowd-sourced probabilities backed by financial conviction, often providing faster and more accurate signals than polls, pundits, or traditional surveys.

Massachusetts Democratic Senate Primary Winner

Massachusetts Democratic Senate Primary Winner

Rules

Market Context

Rules

Market Context

Related

Comments (1)

Top Holders

Positions

Activity

Frequently Asked Questions

What is the "Massachusetts Democratic Senate Primary Winner" prediction market?

How much trading activity has "Massachusetts Democratic Senate Primary Winner" generated on Polymarket?

How do I trade on "Massachusetts Democratic Senate Primary Winner"?

What are the current odds for "Massachusetts Democratic Senate Primary Winner"?

How will "Massachusetts Democratic Senate Primary Winner" be resolved?

Can I follow "Massachusetts Democratic Senate Primary Winner" without placing a trade?

Why are Polymarket's odds for "Massachusetts Democratic Senate Primary Winner" considered reliable?

How do I start trading on "Massachusetts Democratic Senate Primary Winner"?

What does a price of 83¢ for "Ed Markey" mean?

When does the "Massachusetts Democratic Senate Primary Winner" market close?

What are traders saying about "Massachusetts Democratic Senate Primary Winner"?

What is Polymarket?