| Will the Democratic Party candidate win the 2026 OR-04 House election by 30%-35%? | — | 619 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 0%-5%? | — | 619 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 619 | Not graded | — |
| Will the Republican Party candidate win the 2026 OR-04 House election? | — | 619 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 619 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 30%-35%? | — | 478 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 325 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 0%-5%? | — | 264 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 246 | Not graded | — |
| Will the Republican Party candidate win the 2026 OR-04 House election? | — | 197 | Not graded | — |
| Will the Republican Party candidate win the 2026 OR-04 House election? | — | 101 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 101 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 100 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 99 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 30%-35%? | — | 99 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 0%-5%? | — | 99 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 96 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 0%-5%? | — | 78 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 73 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 60 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 10%-15%? | — | 59 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 57 | Not graded | — |
| Will the Republican Party candidate win the 2026 OR-04 House election? | — | 56 | Not graded | — |
| Will the Democratic Party candidate win the 2026 OR-04 House election by 5%-10%? | — | 55 | Not graded | — |
| Will the Republican Party candidate win the 2026 OR-04 House election? | — | 55 | Not graded | — |