The Prediction Markets

Market comparison

How many Chinook will pass Bonneville Dam by October 31?

1 venue · 7 outcome rows · 0 comparable lines · 0 verified parity · active

Polymarket

Open venue ↗

7 outcomes · $13K reported volume

Observed 2m 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.

More than 550,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

99.3%

Bid 99.0% · Ask 99.6%

More than 550,000

Open Polymarket ↗

More than 575,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

98.7%

Bid 97.6% · Ask 99.8%

More than 575,000

Open Polymarket ↗

More than 585,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

19.5%

Bid 4.0% · Ask 35.0%

More than 585,000

Open Polymarket ↗

More than 595,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

5.0%

Bid 3.0% · Ask 7.0%

More than 595,000

Open Polymarket ↗

More than 600,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

3.3%

Bid 0.4% · Ask 6.2%

More than 600,000

Open Polymarket ↗

More than 625,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

0.9%

Bid 0.2% · Ask 1.5%

More than 625,000

Open Polymarket ↗

More than 650,000

Not aligned

No persisted outcome identity connects these venue contracts.

Polymarket

2.7%

Bid 0.6% · Ask 4.8%

More than 650,000

Open Polymarket ↗

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