The Prediction Markets

Market comparison

RI-01 House Election Margin of Victory

2 venues · 19 outcome rows · 0 comparable lines · event identity linked · 0 verified parity · active

Polymarket

Open venue ↗

13 outcomes · $15K reported volume

Observed 43s ago

Recorded venue end date: Nov 4, 2026

9 outcomes · $5K reported volume

Observed 43s 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.

Amo, 23+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

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Kalshi

95.0%

Bid 90.5% · Ask 99.6%

Amo, 23+ pts

Open Kalshi ↗

Amo, 26+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

87.0%

Bid 87.0% · Ask 98.5%

Amo, 26+ pts

Open Kalshi ↗

Amo, 29+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

79.0%

Bid 79.0% · Ask 90.7%

Amo, 29+ pts

Open Kalshi ↗

Amo, 32+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

67.0%

Bid 67.0% · Ask 79.0%

Amo, 32+ pts

Open Kalshi ↗

Amo, 35+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

56.0%

Bid 52.0% · Ask 64.0%

Amo, 35+ pts

Open Kalshi ↗

Amo, 38+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

46.0%

Bid 35.0% · Ask 47.0%

Amo, 38+ pts

Open Kalshi ↗

Amo, 41+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

32.0%

Bid 20.0% · Ask 32.0%

Amo, 41+ pts

Open Kalshi ↗

Amo, 44+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

19.0%

Bid 7.7% · Ask 19.0%

Amo, 44+ pts

Open Kalshi ↗

Amo, 47+ pts

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

—

Kalshi

11.0%

Bid 0.1% · Ask 11.0%

Amo, 47+ pts

Open Kalshi ↗

Democrat 0-10%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.5%

Bid 0.2% · Ask 0.9%

Democrat 0-10%

Open Polymarket ↗

Kalshi

—

Democrat 10-20%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.3%

Bid 0.1% · Ask 0.4%

Democrat 10-20%

Open Polymarket ↗

Kalshi

—

Democrat 20-25%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

6.3%

Bid 4.7% · Ask 7.8%

Democrat 20-25%

Open Polymarket ↗

Kalshi

—

Democrat 25-30%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

6.0%

Bid 5.0% · Ask 7.0%

Democrat 25-30%

Open Polymarket ↗

Kalshi

—

Democrat 30-35%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

28.0%

Bid 27.0% · Ask 29.0%

Democrat 30-35%

Open Polymarket ↗

Kalshi

—

Democrat 35-40%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

17.0%

Bid 15.0% · Ask 19.0%

Democrat 35-40%

Open Polymarket ↗

Kalshi

—

Democrat 40-45%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

31.5%

Bid 31.0% · Ask 32.0%

Democrat 40-45%

Open Polymarket ↗

Kalshi

—

Democrat 45-50%

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

12.0%

Bid 11.0% · Ask 13.0%

Democrat 45-50%

Open Polymarket ↗

Kalshi

—

Democrat 50%+

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.7%

Bid 0.2% · Ask 1.1%

Democrat 50%+

Open Polymarket ↗

Kalshi

—

Republican Wins

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.1%

Bid 0.1% · Ask 0.2%

Republican Wins

Open Polymarket ↗

Kalshi

—

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