Massachusetts Senate Democratic Primary Winner
Ed Markey
77%-33577¢1.299
Ed Markey
Yes
1.3x
No
4.17x
Seth Moulton
28%+25728¢3.571
Seth Moulton
Yes
3.57x
No
1.22x
This market will settle to Yes if Ed Markey wins the Democratic nomination to contest the 2026 Massachusetts Senate Seat. Outcome sourced from relevant party authorities.
- Upcoming: Event startSep 1, 2026 at 12:00 PM EDT
- Upcoming: Market closesSep 1, 2026 at 7:59 PM EDT
- Upcoming: PayoutUsually within 25 min of market closing
What is the “Massachusetts Senate Democratic Primary Winner” prediction market?
This market lets you trade on the outcome of Massachusetts Senate Democratic Primary Winner. Prices reflect the market's current estimate of each outcome's probability.
How are prices determined?
Prices move with supply and demand as traders buy and sell outcome shares. A price of 60¢ implies the market estimates a 60% chance.
When does this market resolve?
The market resolves when the outcome is officially determined, per the resolution rules above. Winning shares redeem at $1.
Can I sell my position before the market resolves?
Yes. You can sell your shares at the current market price any time before resolution — you never have to wait for the outcome.
What happens if I hold winning shares?
Each winning share redeems at $1 once the market resolves. Your profit is the difference between $1 and what you paid per share.
Where do the odds come from?
Odds come from real traders backing their views with money, not from a bookmaker. Research shows prediction markets are among the most accurate forecasting tools available.