| Will Democrats win all "core four" senate races? | Yes | 3.1k | Not graded | — |
| Will Democrats win all "core four" senate races? | No | 1.3k | Not graded | — |
| Will Democrats win all "core four" senate races? | No | 826 | Not graded | — |
| Will Democrats win all "core four" senate races? | Yes | 822 | Not graded | — |
| Will Democrats win all "core four" senate races? | No | 701 | Not graded | — |
| Will Democrats win all "core four" senate races? | No | 600 | Not graded | — |
| Will Democrats win all "core four" senate races? | Yes | 532 | Not graded | — |
| Will Democrats win all "core four" senate races? | No | 470 | Not graded | — |
| Will Democrats win all "core four" senate races? | Yes | 460 | Not graded | — |
| Will Democrats win all "core four" senate races? | Yes | 409 | Not graded | — |