The Prediction Markets

Market comparison

OH-12 House Election Margin of Victory

2 venues · 18 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

12 outcomes · $19K reported volume

Observed 4m ago

Recorded venue end date: Nov 4, 2026

9 outcomes · $2K reported volume

Observed 2m ago

Recorded venue end date: Nov 3, 2027

Check settlement rules before comparing contracts. Matched outcomes may settle differently. These venues also report end dates more than 48 hours apart; event identity does not mean the contracts close or settle together. 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.

Balderson, 12+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

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Kalshi

82.0%

Bid 82.0% · Ask 93.5%

Balderson, 12+ pts

Open Kalshi ↗

Balderson, 15+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

78.0%

Bid 72.0% · Ask 84.0%

Balderson, 15+ pts

Open Kalshi ↗

Balderson, 18+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

69.0%

Bid 63.0% · Ask 75.0%

Balderson, 18+ pts

Open Kalshi ↗

Balderson, 21+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

55.0%

Bid 54.0% · Ask 66.0%

Balderson, 21+ pts

Open Kalshi ↗

Balderson, 24+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

49.0%

Bid 45.0% · Ask 57.0%

Balderson, 24+ pts

Open Kalshi ↗

Balderson, 27+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

40.0%

Bid 34.0% · Ask 46.0%

Balderson, 27+ pts

Open Kalshi ↗

Balderson, 30+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

24.0%

Bid 24.0% · Ask 35.0%

Balderson, 30+ pts

Open Kalshi ↗

Balderson, 33+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

23.0%

Bid 14.0% · Ask 26.0%

Balderson, 33+ pts

Open Kalshi ↗

Balderson, 36+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

7.0%

Bid 4.0% · Ask 16.0%

Balderson, 36+ pts

Open Kalshi ↗

Democrat Wins

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

4.9%

Bid 0.9% · Ask 8.8%

Democrat Wins

Open Polymarket ↗

Kalshi

—

Republican 0-10%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.8%

Bid 0.6% · Ask 4.9%

Republican 0-10%

Open Polymarket ↗

Kalshi

—

Republican 10-15%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

6.8%

Bid 1.3% · Ask 12.3%

Republican 10-15%

Open Polymarket ↗

Kalshi

—

Republican 15-20%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

20.6%

Bid 19.9% · Ask 21.3%

Republican 15-20%

Open Polymarket ↗

Kalshi

—

Republican 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

23.5%

Bid 21.0% · Ask 26.0%

Republican 20-25%

Open Polymarket ↗

Kalshi

—

Republican 25-30%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

12.0%

Bid 9.0% · Ask 15.0%

Republican 25-30%

Open Polymarket ↗

Kalshi

—

Republican 30-35%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

18.9%

Bid 1.8% · Ask 36.0%

Republican 30-35%

Open Polymarket ↗

Kalshi

—

Republican 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

5.0%

Bid 0.8% · Ask 9.1%

Republican 35-40%

Open Polymarket ↗

Kalshi

—

Republican 40%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.6%

Bid 2.1% · Ask 3.2%

Republican 40%+

Open Polymarket ↗

Kalshi

—

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