The Prediction Markets

Market comparison

MA-09 House Election Winner

1 venue · 2 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

8 outcomes · $30K reported volume

Observed 1m ago

Recorded venue end date: Nov 4, 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.

Bill Keating (D)

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

96.8%

Bid 95.1% · Ask 98.4%

Bill Keating (D)

Open Polymarket ↗

Tyler MacAllister (R)

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.9%

Bid 1.5% · Ask 4.4%

Tyler MacAllister (R)

Open Polymarket ↗

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