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Live prediction market odds for Portland State Vikings vs. Oregon Ducks. Compare prices across Kalshi and Polymarket US and Novig and Polymarket and ProphetX.

Browse historical results
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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket US / Novig / Polymarket / ProphetX

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Oregon Ducks Wins: Portland State Vikings vs. Oregon Ducks

College Football·Resolved 2026-09-18

This market resolved on 2026-09-18. Oregon Ducks was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Portland State Vikings vs.

Portland State Vikings vs. Oregon Ducks: College Football game held on 2026-09-18. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
Loading 30D data…

Final Closing Odds

5 platforms
Candidate
Kalshi
Polymarket US
Novig
Polymarket
ProphetX
Total over 49.5
———100%—
Total over 53.5
———100%—
Total over 61.5
———100%—
Total over 73.5
———100%—
Total under 69.5
———100%—
Total under 75.5
———100%—
Oregon Ducks spread minus 51.5
100%——100%—
Oregon Ducks spread minus 54.5
100%——100%—
Total over 75.5
100%——100%—
Total over 51.5
100%——99%—
Portland State Vikings spread plus 47.5
———99%—
Total over 55.5
———99%—
Total over 83.5
———99%—
Total under 51.5
———99%—
Oregon DucksWINNER
100%99%—100%98%
Portland State Vikings spread plus 52.5
———98%—
Total over 67.5
100%——98%—
Total under 67.5
———98%—
Portland State Vikings spread plus 44.5
———97%—
Oregon Ducks spread minus 60.5
100%——96%—
Portland State Vikings spread plus 60.5
———96%—
Oregon Ducks spread minus 40.5
———95%—
Oregon Ducks spread minus 53.5
———95%—
Portland State Vikings spread plus 53.5
———95%—
Total over 65.5
100%——95%—
Total under 65.5
———95%—
Oregon Ducks spread minus 52.5
———94%—
Oregon Ducks spread minus 50.5
———93%—
Oregon Ducks spread minus 43.5
———90%—
Oregon Ducks spread minus 72.5
———89%—
Total under 77.5
———89%—
Oregon Ducks spread minus 56.5
———88%—
Portland State Vikings spread plus 56.5
———88%—
Oregon Ducks spread minus 55.5
———86%—
Portland State Vikings spread plus 55.5
———86%—
Total under 87.5
———84%—
Oregon Ducks spread minus 75.5
———81%—
Total over 89.5
———80%—
Total under 89.5
———80%—
Total over 68.5
95%—61%——
Total over 59.5
———77%—
Total under 59.5
———77%—
Oregon Ducks spread minus 64.5
———74%—
Oregon Ducks spread minus 41.5
100%——72%—
Portland State Vikings spread plus 41.5
———72%—
Total under 79.5
——52%87%—
Portland State Vikings spread plus 61.5
———68%—
Portland State Vikings spread plus 62.5
———68%—
Total over 85.5
———65%—
Total under 85.5
———65%—
Oregon Ducks spread minus 59.5
——54%69%—
Portland State Vikings spread plus 78.5
———61%—
Total over 69.5
100%—60%100%—
Portland State Vikings spread plus 59.5
——47%69%—
Oregon Ducks spread minus 74.5
———55%—
Total under 81.5
———55%—
Oregon Ducks spread minus 57.5
100%—53%100%—
Oregon Ducks spread minus 58.5
100%—51%99%—
Portland State Vikings spread plus 74.5
———51%—
Total under 71.5
——51%99%—
Oregon Ducks spread minus 65.5
———50%—
Portland State Vikings spread plus 65.5
———50%—
Total over 71.5
——50%99%—
Portland State Vikings spread plus 58.5
——49%99%—
Oregon Ducks spread minus 78.5
———48%—
Portland State Vikings spread plus 71.5
———39%—
Portland State Vikings spread plus 68.5
———37%—
Total over 81.5
58%——15%—
Oregon Ducks spread minus 61.5
———32%—
Oregon Ducks spread minus 62.5
———32%—
Portland State Vikings spread plus 75.5
———32%—
Total over 79.5
——49%13%—
Oregon Ducks spread minus 68.5
———28%—
Oregon Ducks spread minus 71.5
———28%—
Total over 63.5
100%——28%—
Total under 63.5
———28%—
Portland State Vikings spread plus 64.5
———26%—
Portland State Vikings spread plus 40.5
———13%—
Portland State Vikings spread plus 66.5
———13%—
Total over 87.5
8%——16%—
Oregon Ducks spread minus 37.5
———11%—
Portland State Vikings spread plus 37.5
———11%—
Portland State Vikings spread plus 72.5
———11%—
Total over 77.5
———11%—
Portland State Vikings spread plus 43.5
———10%—
Portland State Vikings spread plus 49.5
———7%—
Portland State Vikings spread plus 50.5
———7%—
Oregon Ducks spread minus 63.5
100%——6%—
Portland State Vikings spread plus 63.5
———6%—
Total over 57.5
100%——4%—
Total under 57.5
———4%—
Oregon Ducks spread minus 66.5
100%——4%—
Oregon Ducks spread minus 44.5
———3%—
Oregon Ducks spread minus 47.5
———3%—
Portland State Vikings
1%2%—0%3%
Oregon Ducks spread minus 49.5
———1%—
Total under 55.5
———1%—
Total under 83.5
———1%—
Portland State Vikings spread plus 51.5
———0%—
Portland State Vikings spread plus 54.5
———0%—
Portland State Vikings spread plus 57.5
———0%—
Total under 49.5
———0%—
Total under 53.5
———0%—
Total under 61.5
———0%—
Total under 73.5
———0%—
Oregon Ducks spread minus 69.5
—————
Oregon wins by over 38.5 points
—————
Oregon wins by over 45.5 points
—————
Oregon wins by over 48.5 points
—————
Over 45.5 points scored
—————
Over 48.5 points scored
—————
Over 54.5 points scored
—————
Over 60.5 points scored
—————
Over 64.5 points scored
—————
Over 66.5 points scored
—————
Over 72.5 points scored
—————
Over 78.5 points scored
—————
Over 84.5 points scored
—————

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic Oracle
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread3.0%
Platforms4
Candidates2
Winner

Oregon Ducks

99.0% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Portland State Vikings vs. Oregon Ducks

Official settlement criteria, resolution sources, and edge cases across Kalshi and Novig and Polymarket and Polymarket US and ProphetX.

KalshiKalshi
Primary Rule

If Oregon wins the Portland St. vs Oregon college football game originally scheduled for Sep 18, 2026, then the market resolves to Yes.

Edge Cases

If the game is postponed but begins within 48 hours of its originally scheduled start time, the market will remain open and resolve based on the official final result. If the game is cancelled or not started within 48 hours of its originally scheduled start, the market will resolve to a fair price. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the NCAA. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
NovigNovig
Primary Rule

Oregon Ducks spread minus 57.5 in Portland State @ Oregon (NCAAF); settled by Novig.

Edge Cases

If the contract cannot be settled on the stated outcome, Novig settles it at fair market value (FMV) instead of refunding it.

PolymarketPolymarket
Primary Rule

In the upcoming college football game between Portland State and Oregon, scheduled for September 18 at 10:30PM ET: This market will resolve to "Portland State" if Portland State win the game. This market will resolve to "Oregon" if Oregon win the game. Overtime is included if played. If the game ends in a tie, this market will resolve 50-50. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.

Resolution Oracles
UMA Optimistic Oracle
Polymarket USPolymarket US
Primary Rule

This market will settle to the winner of the Portland State vs Oregon College Football game scheduled for Sep 18, 2026. Overtime is included if played. If a tied final score is reported and no official winner is declared, this market will not resolve automatically and will be reviewed against the official governing-body result. If the game is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from the relevant governing body.

ProphetXProphetX
Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles
ProphetX Rules

Frequently Asked Questions

What does the Portland State Vikings vs. Oregon Ducks prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Portland State Vikings vs. Oregon Ducks odds?

The last available prices are Oregon Ducks: 99.5¢ on Kalshi, 99.9¢ on Polymarket, 98.1¢ on ProphetX, 98.5¢ on Polymarket US; Portland State Vikings: 0.5¢ on Kalshi, 0.1¢ on Polymarket, 3.1¢ on ProphetX, 1.5¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Portland State Vikings vs. Oregon Ducks odds vary across prediction markets?

The largest price difference shown across venues is 3.0 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Portland State Vikings vs. Oregon Ducks prediction market payouts work?

For example, Oregon Ducks at 99.0¢ implies about a 99.0% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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