TOTAL VOLUME:

$26.9b

24H VOL:

$53,643,865

24H TRANSACTIONS:

1,362,287,844

OPEN INTEREST:

$1,063,853,505

56,734

Markets across

1,194

events

MATCHED EVENTS:

96

PLATFORM COVERAGE:

4

Polymarket:

53%

VS.

Kalshi:

47%

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Elections
Massachusetts Democratic Senate nominee?
kalshi

Massachusetts Democratic Senate nominee?

Jul 2, 2025, 12:00 PM EST - Sep 15, 2026, 10:00 AM EST
Total volume:
$787,728
Volume 24h:
$60,066
241%
Liquidity:
N/AN/A
Open interest:
$535,055
9%

Ed Markey

 - Kalshi

Ed Markey - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Sep 15, 2026

Time left: 19d:02h:43m

Will Ed Markey be the Democratic nominee for the Senate in Massachusetts?

97%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 97.3¢ buys you 103 shares | Odds: 97% Total Payout: $103 | Net Profit: $3 Multiplier: 1.03x | ROI: 3% | APY: 69% 19 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Ed Markey

Trade
97%
1%
Yes 97.3¢No 3.3¢
0.6¢
N/A
$379,998
11%
38%
$248,228
2w 5d 2h
active
kalshi

Seth Moulton

3%
1%
Yes 2.8¢No 97.5¢
0.3¢
N/A
$387,157
6%
33%
$272,532
2w 5d 2h
active
kalshi

Ayanna Pressley

0%
Yes 0.1¢No 100¢
0.1¢
N/A
$14,680
0%
18%
$8,453
2w 5d 2h
active
kalshi

Alexander Rikleen

0%
Yes 0.1¢No 100¢
0.1¢
N/A
$5,894
0%
25%
$5,842
2w 5d 2h
active
Total markets: 4

Description

This event tracks who will secure the Democratic Party's nomination for the Massachusetts Senate seat in the 2026 election. It focuses on the competitive primary process among key Democratic figures vying for their party's endorsement. The outcome depends on which candidate emerges as the official party nominee.

Kalshi

The event resolves to Yes if any of the listed candidates—Ed Markey, Alexander Rikleen, Seth Moulton, or Ayanna Pressley—wins the Democratic Party nomination for the 2026 Massachusetts Senate race. Each candidate-specific rule functions as an independent condition, meaning the market will settle positively upon the nomination of any one of these individuals. No additional secondary rules are provided to modify or qualify these primary conditions, so the sole determinant is the successful party nomination of any listed candidate.