As of October 24, 2026, 09:01 PM ET, Polymarket traders price Spread -3.5: Idaho State at 96.0% in Portland State vs. Idaho State — $1.9K traded so far.
The leading outcome, Spread -3.5: Idaho State, is priced at 96.0%.
Price changes for the leading market — 24 hours: -6.0 pts; past week: -45.6 pts.
Since October 12, 2026, Spread -3.5: Idaho State has traded between 50.0% and 96.0%. It opened at 50.0% and last traded at 96.0%.
| Day | Close |
|---|---|
| Oct 15, 2026 | 50.5% |
| Oct 16, 2026 | 50.5% |
| Oct 18, 2026 | 50.5% |
| Oct 19, 2026 | 50.0% |
| Oct 20, 2026 | 50.0% |
| Oct 23, 2026 | 89.0% |
| Oct 24, 2026 | 96.0% |
Spread -3.5: Idaho State is favored at 96.0%.
| Outcome | Price | Implied probability | 24h change | Volume | Volume share |
|---|---|---|---|---|---|
| Spread -3.5: Idaho State | 96¢ | 96.0% | +6.0 pts | $0 | 0.0% |
| Spread -7.5: Idaho State | 95¢ | 95.0% | +3.0 pts | $0 | 0.0% |
| Portland State vs. Idaho State: Idaho State | 94¢ | 94.5% | +11.9 pts | $1.2K | 63.1% |
| Spread -1.5: Idaho State | 88¢ | 87.5% | +7.5 pts | $0 | 0.0% |
| Spread -14.5: Portland State | 50¢ | 50.0% | +0.5 pts | $0 | 0.0% |
| Spread -14.5: Idaho State | 50¢ | 50.0% | -0.5 pts | $0 | 0.0% |
| Spread -10.5: Portland State | 50¢ | 50.0% | +0.5 pts | $0 | 0.0% |
| Spread -10.5: Idaho State | 50¢ | 50.0% | -0.5 pts | $0 | 0.0% |
| Spread -5.5: Portland State | 50¢ | 50.0% | +0.5 pts | $0 | 0.0% |
| Spread -5.5: Idaho State | 50¢ | 50.0% | -0.5 pts | $0 | 0.0% |
| Spread -1.5: Portland State | 50¢ | 50.0% | +0.5 pts | $0 | 0.0% |
| Spread -1.5: Idaho State | 50¢ | 50.0% | -0.5 pts | $0 | 0.0% |
| Spread -3.5: Idaho State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -3.5: Portland State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -5.5: Idaho State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -5.5: Portland State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -7.5: Idaho State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -7.5: Portland State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -10.5: Idaho State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -10.5: Portland State | 50¢ | 50.0% | — | $0 | 0.0% |
| Spread -14.5: Idaho State | 50¢ | 50.0% | +1.0 pts | $0 | 0.0% |
| Spread -14.5: Portland State | 50¢ | 50.0% | -1.0 pts | $0 | 0.0% |
| O/U 49.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 49.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 51.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 51.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 53.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 53.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 55.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 55.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 57.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 57.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 59.5: Over | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 59.5: Under | 50¢ | 50.0% | — | $0 | 0.0% |
| O/U 61.5: Over | 50¢ | 50.0% | -2.0 pts | $708 | 36.9% |
| O/U 61.5: Under | 50¢ | 50.0% | +2.0 pts | $708 | 36.9% |
| 2H Moneyline: Portland State | 50¢ | 50.0% | +0.5 pts | $0 | 0.0% |
| 2H Moneyline: Idaho State | 50¢ | 50.0% | -0.5 pts | $0 | 0.0% |
| Spread -1.5: Portland State | 12¢ | 12.5% | -7.5 pts | $0 | 0.0% |
| Portland State vs. Idaho State: Portland State | 6¢ | 5.5% | -11.9 pts | $1.2K | 63.1% |
| Spread -7.5: Portland State | 5¢ | 5.0% | -3.0 pts | $0 | 0.0% |
| Spread -3.5: Portland State | 4¢ | 4.0% | -6.0 pts | $0 | 0.0% |
$1.9K has been traded on this event in total, $1.7K of it in the last 24 hours, across 21 markets.
This market is scheduled to end October 24, 2026, 06:00 PM ET.
In the upcoming college football game, scheduled for October 24 at 6:00 PM ET: This market will resolve to "Portland State" if Portland State win the game by 4 or more points. Otherwise, this market will resolve to "Idaho State". 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 source: https://www.ncaa.com/
| Time | Outcome | Side | Price | Size |
|---|---|---|---|---|
| Oct 24, 08:45 PM ET | Idaho State | SELL | 96.3% | $1 |
| Oct 24, 08:41 PM ET | Idaho State | BUY | 96.4% | $1 |
| Oct 24, 07:27 PM ET | Idaho State | BUY | 97.0% | $2 |
| Oct 24, 07:18 PM ET | Idaho State | BUY | 95.0% | $5 |
| Oct 24, 06:47 PM ET | Idaho State | BUY | 91.0% | $5 |
| Oct 24, 06:41 PM ET | Idaho State | BUY | 90.0% | $98 |
| Oct 24, 06:39 PM ET | Idaho State | BUY | 89.0% | $2 |
| Oct 24, 06:13 PM ET | Idaho State | BUY | 83.0% | $1 |
| Oct 24, 05:56 PM ET | Idaho State | BUY | 81.0% | $61 |
| Oct 24, 05:53 PM ET | Portland State | BUY | 19.0% | $2 |
As of October 24, 2026, 08:45 PM ET, the leading outcome is Spread -3.5: Idaho State at 96.0%. Next is Spread -7.5: Idaho State at 95.0%. See the live book on Polymarket: https://polymarket.com/event/cfb-portst-idhst-2026-10-24?via=bro
$1.9K in total volume, with $1.7K traded in the last 24 hours across 21 markets.
The market is scheduled to end October 24, 2026, 06:00 PM ET. It resolves based on https://www.ncaa.com/.
Spread -3.5: Idaho State, priced at 96.0% as of October 24, 2026, 08:45 PM ET. Prices are implied probabilities backed by real-money trading.
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