The Prediction Markets

Market comparison

Massachusetts Democratic Senate Primary Winner

1 venue · 4 outcome rows · 0 comparable lines · 0 verified parity · inactive

Polymarket

Open venue ↗

20 outcomes · $22K reported volume

Observed 3028h ago · stale

Recorded venue end date: Sep 1, 2026

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These are stored prices; record update times do not certify live quotes. Differences exclude fees and available size.

No shared outcome identities or comparable outcome lines are available for this event. Each venue’s outcomes are listed separately.

Alexander Rikleen

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

3.4%stale

Bid and ask hidden: prices are over 2 hours old

Alexander Rikleen

Open Polymarket ↗

Ayanna Pressley

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.4%stale

Bid and ask hidden: prices are over 2 hours old

Ayanna Pressley

Open Polymarket ↗

Ed Markey

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

71.5%stale

Bid and ask hidden: prices are over 2 hours old

Ed Markey

Open Polymarket ↗

Seth Moulton

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

25.0%stale

Bid and ask hidden: prices are over 2 hours old

Seth Moulton

Open Polymarket ↗

Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.

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