| 2d | Will the Democratic Party win the MA-04 House seat? | feodos-polovin | Yes / 94.1¢ | +1.06 | $1 | |
| 2d | Will the Democratic Party win the MA-04 House seat? | renglish | Yes / 93.9¢ | -1.06 | $1 | |
| 6d | Will the Republican Party win the MA-04 House seat? | SitsToPee | No / 97.3¢ | -410.99 | $400 | |
| 6d | Will the Republican Party win the MA-04 House seat? | Speliyvoin | No / 97.4¢ | +50.14 | $48.8 | |
| 6d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 2.7¢ | -111.34 | $3.01 | |
| 6d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 2.6¢ | -200.00 | $5.2 | |
| 6d | Will the Republican Party win the MA-04 House seat? | romano2222 | No / 97.4¢ | +49.51 | $48.2 | |
| 7d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 2.6¢ | -39.67 | $1.03 | |
| 7d | Will the Republican Party win the MA-04 House seat? | sladky-y-oba | No / 97.3¢ | -9.60 | $9.34 | |
| 7d | Will the Republican Party win the MA-04 House seat? | Vesege1313 | No / 97.3¢ | -30.07 | $29.3 | |
| 13d | Will the Republican Party win the MA-04 House seat? | Vesege1313 | No / 97.3¢ | -24.93 | $24.3 | |
| 13d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 2.6¢ | -24.93 | $0.65 | |
| 15d | Will the Republican Party win the MA-04 House seat? | lokay | No / 96.5¢ | -8.23 | $7.94 | |
| 15d | Will the Republican Party win the MA-04 House seat? | abramovich0 | No / 96.5¢ | -50.00 | $48.3 | |
| 15d | Will the Republican Party win the MA-04 House seat? | zayac322 | No / 96.5¢ | -57.00 | $55 | |
| 15d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 3.4¢ | -115.23 | $3.88 | |
| 15d | Will the Republican Party win the MA-04 House seat? | sladky-y-oba | No / 96.4¢ | +9.60 | $9.25 | |
| 15d | Will the Republican Party win the MA-04 House seat? | meow-123 | No / 96.3¢ | -9.60 | $9.24 | |
| 15d | Will the Democratic Party win the MA-04 House seat? | SitsToPee | No / 5.8¢ | +50.00 | $2.9 | |
| 15d | Will the Democratic Party win the MA-04 House seat? | predictdogepepewif | No / 5.6¢ | -50.00 | $2.79 | |
| 18d | Will the Democratic Party win the MA-04 House seat? | cwc909 | Yes / 93.9¢ | -50.00 | $46.9 | |
| 18d | Will the Democratic Party win the MA-04 House seat? | feodos-polovin | Yes / 94.1¢ | +1.92 | $1.81 | |
| 18d | Will the Democratic Party win the MA-04 House seat? | rileyhenson | Yes / 94.1¢ | +48.08 | $45.2 | |
| 20d | Will the Republican Party win the MA-04 House seat? | lokay | No / 96.4¢ | +52.00 | $50.1 | |
| 20d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 3.6¢ | +102.00 | $3.81 | |
| 20d | Will the Republican Party win the MA-04 House seat? | cwc909 | Yes / 3.6¢ | -50.00 | $1.8 | |
| 21d | Will the Democratic Party win the MA-04 House seat? | rileyhenson | Yes / 94.1¢ | +6.92 | $6.51 | |
| 21d | Will the Democratic Party win the MA-04 House seat? | 0xb892...07fd3a | Yes / 92.9¢ | -6.92 | $6.43 | |
| 22d | Will the Democratic Party win the MA-04 House seat? | thecaricature | No / 5.9¢ | +200.00 | $12.2 | |
| 22d | Will the Democratic Party win the MA-04 House seat? | Dr.PNL | No / 5.9¢ | -200.00 | $11.8 | |
| 27d | Will the Democratic Party win the MA-04 House seat? | EdolE | Yes / 93.8¢ | -30.89 | $29 | |
| 27d | Will the Democratic Party win the MA-04 House seat? | feodos-polovin | Yes / 94.0¢ | +30.89 | $29 | |
| 27d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 4.5¢ | +56.03 | $2.62 | |
| 27d | Will the Republican Party win the MA-04 House seat? | TraderProMax | Yes / 4.5¢ | -25.00 | $1.13 | |
| 27d | Will the Republican Party win the MA-04 House seat? | EdolE | Yes / 4.5¢ | -31.03 | $1.4 | |
| 27d | Will the Republican Party win the MA-04 House seat? | ueberman | No / 96.4¢ | +55.99 | $54 | |
| 27d | Will the Republican Party win the MA-04 House seat? | 0x6e64EF347FA5993323672F4aDE1232e81f615686-1743509656011 | No / 96.3¢ | +50.00 | $48.1 | |
| 27d | Will the Republican Party win the MA-04 House seat? | zayac322 | No / 96.4¢ | +57.00 | $54.9 | |
| 27d | Will the Republican Party win the MA-04 House seat? | resilience26 | Yes / 3.6¢ | +242.13 | $9.11 | |
| 27d | Will the Republican Party win the MA-04 House seat? | lokay | No / 96.3¢ | +8.23 | $7.93 | |
| 27d | Will the Republican Party win the MA-04 House seat? | planktonXD | Yes / 3.6¢ | -20.51 | $0.74 | |
| 27d | Will the Republican Party win the MA-04 House seat? | AJSV | Yes / 3.6¢ | -50.40 | $1.81 | |
| 27d | Will the Democratic Party win the MA-04 House seat? | SitsToPee | No / 5.8¢ | +55.00 | $3.19 | |
| 27d | Will the Democratic Party win the MA-04 House seat? | resilience26 | Yes / 94.2¢ | +55.00 | $51.9 | |
| 29d | Will the Republican Party win the MA-04 House seat? | 0x3CFf61C9A93C80B02081c7859853e701BbF76fBd-1780459443269 | No / 96.4¢ | -5.00 | $4.82 | |
| 29d | Will the Republican Party win the MA-04 House seat? | planktonXD | Yes / 3.5¢ | -5.00 | $0.17 | |
| 1mo | Will the Democratic Party win the MA-04 House seat? | AJSV | No / 5.8¢ | -60.00 | $3.48 | |
| 1mo | Will the Democratic Party win the MA-04 House seat? | SitsToPee | No / 5.8¢ | +60.00 | $3.61 | |
| 1mo | Will the Democratic Party win the MA-04 House seat? | Numitus1994 | No / 4.8¢ | -20.00 | $0.96 | |
| 1mo | Will the Democratic Party win the MA-04 House seat? | 0xd43f47D08C7e23E86B56CB8984241E49DB7bC66b-1782112487159 | No / 5.0¢ | +20.00 | $1 | |